Remove any top flaps from the cardboard box and make sure you have enough hardcover books to cover the side of the box that will face the front of your shelves. Wrap all the books with tape to ...

To make your own secret compartment book, Hannah Margaret Allen at Food52 recommends you get a thick, old book you’re willing to carve into, a box cutter or X-Acto knife, and some Mod Podge glue.