Children’s Book Week is a national celebration of books and reading that was founded in 1919. Libraries and bookstores around the United States hold all kinds of events in honor of Children’s Book Week. To find out more, visit http://www.bookweekonline.com/
Here are a couple events in Massachusetts:

May 7, 10:30am:
Heather Lang (Fearless Flyer), Cheryl Lawton Malone (Dario and the Whale), Deborah Sosin (Charlotte and the Quiet Place), and Jane Sutcliffe (Will’s Words)
May 5, 5pm: What the Kids Are Reading! panel featuring local librarians and teachers.