Keep Our Secrets, a book coming out by McSweeney’s in November, has heat-sensitive, color-changing ink on every page. The book shows a boy and girl walking through a house, finding weird surprises at every turn.

Take a look at a demo below:

And if you haven’t yet read it, take a look at this great article on how to talk to little girls. Perhaps next time you’re looking for a gift for a little girl, you’ll pick up something interesting like this book instead of a cute outfit. Start that love of reading early!

(Keep Our Secrets is available for pre-order for $10.17 at Amazon.com.)