Sibling rivalry has gone to the dogs! , Julius the Elder, Top Dog the First is a sedate, assured observer; William the Upstart bounces confusedly off the closed patio door and attacks the hose clad in martial-arts gear. Assuming the role of wise mentor, Julius laughs at the foibles of his younger sib, "He thinks the toilet is the Fountain of Youth and not a drinking bowl at all" but is willing to form temporary alliances when there's a sofa to be chewed or 40 tennis balls to be gathered on an outing to the park. A new twist on a perennial topic for ages 5-7