Private Hidden Compartment in a Book: Fun 9-Step Project

Last Updated on September 13, 2024 by teamobn

The first time I made a book hollow, I didn’t bother looking at a tutorial and I failed. Not that I can’t use my DIY book hollow – I can put stuff inside a compartment in a book, but it’s not pretty. It’s really a simple project so I thought I wouldn’t need to read any how-to’s, but if you want your secret compartment to look neat and really secure then I recommend you read this tutorial. 🙂

Secret Book Compartment

This would also be useful if you’re planning to make a DIY book clock.

Now find a hardbound book that wouldn’t look suspicious among your book collection – if you’re into sci-fi, choose a sci-fi book to make this project with – and let’s start!

Crafting a Compartment in a Book

Materials

  • A hard bound book
  • Craft knife with extra blades
  • Metal ruler
  • Pencil
  • Paintbrush
  • White glue
  • Tape
  • Plastice Wrap/Bags

Steps

Secret Book Compartment

To start, determine how much of the book you want to seal.  Leave 4-10 of the first pages free.

Secret Book Compartment

You do not want the glue to stick to the front, back and purposely free pages, so wrap the plastic around the front/ free pages.

Secret Book Compartment

And then tape them tight. (Glue won’t stick to the t-shirt shopping bags, and since they are plentiful, they make a good repurpose object for this part of the project). Repeat with the back page.

Secret Book Compartment

Hold all of the rest of the pages together and using the paint brush spread the white glue along the three sides of the edges that are usually free.  When dry this will make these pages a solid unit.

Secret Book Compartment

Close the book and pile a bunch of heavy stuff on your closed book and let it dry 12+ hours.

Secret Book Compartment

Once the glue is dry, open the book to the solid area. I wanted the hole in the book to fit the case my pearls reside in, so I traced all the way around that case.  You can just mark a rectangle that is 1 inch from the 4 edges of the book.

Secret Book Compartment

Next, using the metal ruler and the craft knife, run the sharp tip of the knife along the ruler edge, following the lines.  The hardest part of this is getting the corners nice and clean.  You will cut only cut 4-5 pages at a time.  When cutting a 500-600 page book this means that this is time consuming project.  Go ahead, and pause for a drink, or something to eat.  Do it while you are watching your favorite TV show or listening to your favorite music.

Secret Book Compartment

Do not cut clear thru to the bottom. You need a solid surface for the bottom.

Secret Book Compartment

I chose to glue the inside edges of my hollow book, therefore I chose to reuse the t-shirt bags.  Let it dry again.  You do not have to do this.

Secret Compartment in a book.

And you’re done! You now have a nice secret compartment to hide your valuables!

Thanks to craftknowitall for this great tutorial!

Choosing the Right Book

Creating a secret compartment in a book is not just about the crafting process; it’s also about selecting the perfect book to house your hidden space. The right choice ensures your compartment remains undetected and seamlessly blends with your collection. Here’s how to choose the ideal book for your compartment in a book project.

Match Your Existing Collection

To keep your compartment in a book discreet, select a book that aligns with the genres you typically read. If your shelf is filled with science fiction novels, a sci-fi hardcover will look less suspicious. The goal is to make the compartment in a book indistinguishable from the others.

Consider Size and Thickness

The dimensions of the book determine the size of the hidden space. A thicker book provides more depth for your compartment in a book, allowing you to store larger items. Ensure the book is large enough to accommodate whatever you plan to hide.

Opt for a Hardcover Edition

Hardcover books are sturdier and more durable, making them ideal for creating a compartment in a book. The solid cover adds an extra layer of concealment and protection for the contents inside.

Assess the Book’s Condition

Choose a book in good condition but not brand new. A worn spine or slightly aged pages help the compartment in a book blend in naturally. Avoid books that look too pristine or too damaged, as they might draw unnecessary attention.

Avoid Valuable or Sentimental Books

Ensure the book you select doesn’t hold significant monetary or sentimental value. Repurposing a rare first edition or a cherished family heirloom for a compartment in a book is not advisable. Opt for a book that you can modify without any regrets.

By carefully selecting the right book, you’ll create an effective and undetectable compartment in a book. The key is to make thoughtful choices that enhance the secrecy and functionality of your hidden space.

Secret Book Compartment

Decorating the Interior

After successfully creating your secret compartment in a book, decorating the interior can elevate its appearance and functionality. Personalizing the inside not only adds aesthetic appeal but also provides additional protection for the items you store in your compartment in a book.

Selecting a Lining Material

Choose a suitable lining material such as felt, velvet, or decorative paper. These materials add a touch of elegance and cushion the contents of your compartment in a book. Select a color and texture that complements the book’s exterior or reflects your personal style.

Measuring and Cutting the Lining

Accurately measure the dimensions of the hollowed-out area. Cut the lining material to fit the bottom and sides of the compartment in a book. Precision in this step ensures a snug fit and a polished look.

Attaching the Lining

Use a strong adhesive like craft glue or mod podge to secure the lining to the interior surfaces. Apply the glue evenly to prevent bubbles or wrinkles. Press the material firmly against the sides and bottom of your compartment in a book, smoothing out any imperfections.

Adding Personal Touches

Enhance the uniqueness of your secret space by adding personal touches. This could include embossing your initials, adding small decorative elements, or incorporating secret symbols meaningful to you. These details make your compartment in a book truly one-of-a-kind.

Finishing Touches

Allow the adhesive to dry completely before placing any items inside. Once dry, test the compartment in a book by opening and closing it to ensure the lining doesn’t interfere with its functionality. Your beautifully decorated secret compartment is now ready for use.

Adding a Magnetic Closure or Lock

Enhancing your secret compartment in a book with a magnetic closure or lock adds an extra layer of security and sophistication. This feature ensures that the book remains firmly closed, keeping your hidden items safe from accidental discovery. In this section, we’ll guide you through the process of installing a magnetic closure or lock to your compartment in a book.

Why Install a Magnetic Closure or Lock?

A magnetic closure or lock prevents the book from unintentionally opening, especially if someone else handles it. This added security keeps the contents of your compartment in a book concealed and provides peace of mind knowing your valuables are better protected.

Materials You’ll Need

  • For Magnetic Closure:
    • Small neodymium magnets (2-4 depending on size)
    • Strong adhesive or epoxy glue
    • Craft knife or chisel
    • Ruler and pencil
  • For Lock:
    • Small clasp lock or latch
    • Screws or strong adhesive
    • Screwdriver (if using screws)
    • Drill (optional)
    • Ruler and pencil

Steps to Install a Magnetic Closure

1. Plan the Magnet Placement

Open your book to the first page of the hollowed-out section. Use a pencil and ruler to mark where the magnets will be placed on both the compartment and the corresponding spot on the book cover. Ensure they align perfectly when the book is closed.

2. Create Indentations for the Magnets

Carefully use a craft knife or chisel to carve out shallow indentations where the magnets will sit. The goal is to have the magnets sit flush with the surface so they don’t create a noticeable bulge, keeping your compartment in a book discreet.

3. Secure the Magnets

Apply a small amount of strong adhesive or epoxy glue into each indentation. Place the magnets into the slots, ensuring the polarity is correct so they attract each other when the book is closed. Wipe away any excess glue and allow it to dry completely.

4. Test the Closure

Once the glue is dry, close the book to test the magnetic closure. The magnets should hold the book firmly shut, effectively concealing your compartment in a book.

Secret Book Compartment

Steps to Install a Lock

1. Choose the Right Lock

Select a small, unobtrusive clasp lock or latch that suits the size of your book. The lock should be flat enough not to draw attention when the book is on a shelf, maintaining the secrecy of your compartment in a book.

2. Mark the Lock Positions

With the book closed, use a ruler and pencil to mark where the lock will be attached on both the book cover and the edge of the hollowed pages. Precision is key to ensure the lock functions correctly.

3. Attach the Lock Components

If using screws, carefully drill small pilot holes at the marked spots. Secure the lock components to the book cover and the pages using screws or strong adhesive. Make sure the lock aligns properly so it can close securely over your compartment in a book.

4. Verify the Lock Functionality

Test the lock by opening and closing it several times. Ensure it operates smoothly without hindering the book’s appearance. The lock should keep your compartment in a book securely closed while remaining inconspicuous.

Adding a magnetic closure or lock significantly enhances the security of your secret compartment in a book. This simple modification ensures that your hidden items remain undetected, even if someone handles the book. By following these steps, you can create a secure and sophisticated hiding place that blends seamlessly with the rest of your bookshelf.

Conclusion

Building a secret compartment in a book is one satisfying do-it-yourself project combining imagination with utility. It presents a clever approach to hide personal belongings or valuables inside an everyday object. Your hidden space will remain invisible with careful execution and attention to detail, yet it will give your bookcase an original touch.

There are more ways to hide your valuables. Check out our guide on creating a hidden chair compartment!

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