The collection of 45 poems was originally published in 1964.

HarperCollins Children's Books said this is the first time it has been available in more than 30 years. It is also the only children's book the late author created in full color.

Silverstein is the author of "Runny Babbit," "Where the Sidewalk Ends," "Falling Up," "A Light in the Attic," "Lafcadio," "The Lion Who Shot Back," "The Giving Tree," "The Missing Piece" and "The Missing Piece Meets the Big O."