The fully illustrated and warmly told story of a wood thrush who starts life in the woods of Maryland, and migrates across the Gulf of Mexico to the Monteverde Rain Forest in Costa Rica. Flute's struggles for survival demonstrate a variety of conservation issues for migrating birds. The handsome watercolor illustrations of birds and habitats in both North and Central America are terrific. Ages 4 to 8.  (BST45, $17.00)