When staring at the back bumper of the car in front of you ceases to be amusing, you need Adult on Board: Travel Games for Grown-Ups, a fabulous collection of entertaining diversions that will beat the monotony of long trips. Included are games that expose the deepest secrets of your traveling companions, singing and rhyming games, memory games, guessing games, license-plate and travel-sign games, and games for wordplay wizards. Now getting there is all the fun.