【PACKAGE INCLUDE & SIZE】You will receive 8 invisible shelf brackets , 16 screws, 16 drywall anchors and 16 concrete wall anchors in one package. The size of each heavy duty floating shelf ...

The secret 23mm-thick drawer is invisible to the naked eye, with the wood veneer finish laid over the top of the aluminum parts making the whole shelf look like one solid piece of timber.

So to learn how to make an ‘invisible’ book shelf follow these steps ... you could attach the bracket onto the book using smaller screws. Ensure the glue/screw holds all the pages together ...