Enumerates children's books that focus on games and other forms of amusement. Margaret Wild's `The Slumber Party'; Jacqueline Rogers' `Best Friends Sleep Over'; Amy Hest's `Nana's Birthday party'; Jane Yolen's `Mouse's Birthday'; Bonnie Pryor's `Birthday Blizzard'; Welleran Poltarnees' `A Most Memorable Birthday'; Bobbye S. Goldstein's `Birthday Rhymes, Special Times'; More. INSET: Books too good to miss..