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Andrew Pilotte, 1, of Pleasant Hill, stands next to his sister Caroline, 4, as he glances up to see the character from "The Very Hungry Caterpillar" book while attending the Contra Costa County Library 100th birthday bash at Pleasant Hill Park in Pleasant Hill, Calif., on Sunday, July 21, 2013. (Jose Carlos Fajardo/Bay Area News Group)

JOSE CARLOS FAJARDO/Staff

Library's big bash

Andrew Pilotte, 1, of Pleasant Hill, stands next to his sister Caroline, 4, and glances up at the character from "The Very Hungry Caterpillar" during the Contra Costa County Library's 100th birthday bash at Pleasant Hill Park in Pleasant Hill. The Sunday, July 21 event also featured Lindsay Wildlife Museum animal visits, author talks, the Blue Devils Drum and Bugle Corps, CPR training, music, Taiko drumming, Lego building and craft activities. Town hall meetings seeking public input on the future of the library are scheduled beginning next week. Visit www.ccclib.org for details.