Secrets of the Book by Erin Fry (2014)
I highly recommend this book for readers ages eight to twelve. It is an adventurous read. A boy named Spencer (who is going blind eventually, though not yet in this book) and his friend Gregor (who is on the autism spectrum) love to run, and that is how they become friends. Spencer's mom is into doing kind things and so has him signed up to visit regularly with an older man at an assisted living home. The older gentleman is Ed. Ed has a book he acquired many years before in Europe. It is rather magic - if just the right person taps the page and pulls the book mark across, the person on that page will spring to life outside the book. We readers meet Teddy Roosevelt, Socrates, and Martin Luther King, among others. However, there is someone after Ed, Spencer, Gregor and Ed's great-granddaughter Mel who want to get his hands on this book. And there is another mysterious gentleman who looks remarkably like Al Capone. How does this all tie together? Read this book and find out!