Read all of Slate’s stories about the 25 Greatest Picture Books of the Past 25 Years. On Oct. 8, 2010, the New York Times ran a story on its front page: “Picture Books No Longer a Staple for Children.

This month welcomes both May flowers and new series additions to add to shelves. Readers can catch up with their favorites in the story of a monster learning to control his anger, a loner wolf at the ...