Enhanced with animated illustrations, a humorous tale tells of a family?s summer road trip vacation down Route 66 that includes a flea-bitten dog, singing parents, weary siblings, and one pair of missing underpants.Enhanced with animated illustrations, a humorous tale tells of a family?s summer road trip vacation down Route 66 that includes a flea-bitten dog, singing parents, weary siblings, and one pair of missing underpants.