"The New Baby" is another Little Critter book by Mercer Mayer.
 
Mercer Mayer's Little Critter is thinking about all the things he and his new little brother will do together in this classic, funny, and heartwarming book. Whether the brothers go trick-or-treating, build a snowman, or ride bikes together, both parents and children alike will relate to this beloved story.
 
Mercer Mayer's Little Critter stories, which address all the major issues of growing up, are a favorite of parents and children.  This story helps develop social and emotional intelligence, and speaks to the experience siblinghood. 
 
Also available in Play Kits for purchase for ages 2-3 years