Third grade is so much fun! But when Mr. Kim assigns a community service project to his class, Abby Spencer has some trouble. She searches everywhere for a place to volunteer, but all the good jobs are taken! When she offers to help Mrs. Mackenzie at Evergreen Library, she finds the best job of all. Soon all of her friends want to help at the library, too and the Book Bunch is formed! Abby, Sydney, Dakota, and Zachary find many adventures and learn more about the library while helping Mrs. Mackenzie.