Library staff member Naomi Timpe dumps water onto her colleague Mary Ryan during the water fight at the Eisenhower Public Library's Summer Picnic on Saturday, August 4, 2012 in Norridge, IL. | Jon Durr~Sun-Times Media

Library staff member Tiffany Lewis squeezes a wet sponge above the head of boy at the Eisenhower Public Library's Summer Picnic on Saturday, August 4, 2012 in Norridge, IL. | Jon Durr~Sun-Times Media

Library page Michelle Speaker reacts after getting soaked during the water fight at the Eisenhower Public Library's Summer Picnic on Saturday, August 4, 2012 in Norridge, IL. | Jon Durr~Sun-Times Media

Two boys participate in the water fight at the Eisenhower Public Library's Summer Picnic on Saturday, August 4, 2012 in Norridge, IL. | Jon Durr~Sun-Times Media

Library staff member Celeste Emanuel gets double-teamed by a young girl and a boy during the water fight at the Eisenhower Public Library's Summer Picnic on Saturday, August 4, 2012 in Norridge, IL. | Jon Durr~Sun-Times Media

Library staff member Tiffany Lewis shovels some cake onto the plate of a parent of a participant of the summer reading program at the Eisenhower Public Library's Summer Picnic on Saturday, August 4, 2012 in Norridge, IL. | Jon Durr~Sun-Times Media

Library staff member Celeste Emanuel takes some juicy grape tomatoes to give to the children at Eisenhower Public Library's Summer Picnic on Saturday, August 4, 2012 in Norridge, IL. | Jon Durr~Sun-Times Media

Library staff member Mary Ryan splashes water onto participants of the summer reading program while she tells a story during the Eisenhower Public Library's Summer Picnic on Saturday, August 4, 2012 in Norridge, IL. | Jon Durr~Sun-Times Media

Library staff member Celeste Emanuel puts some vegetables on the plate of a summer reading program participant at the Eisenhower Public Library's Summer Picnic on Saturday, August 4, 2012 in Norridge, IL. | Jon Durr~Sun-Times Media

Library staff member Tiffany Lewis cuts into a melting cake at the Eisenhower Public Library's Summer Picnic on Saturday, August 4, 2012 in Norridge, IL. | Jon Durr~Sun-Times Media

Children at the Eisenhower Public Library's Summer Picnic load up on water balloons before the water fight on Saturday, August 4, 2012 in Norridge, IL. | Jon Durr~Sun-Times Media

A young girl at the Eisenhower Public Library's Summer Picnic shovels water balloons into her bag before the water fight on Saturday, August 4, 2012 in Norridge, IL. | Jon Durr~Sun-Times Media