Jessica McKenzie

When mercenary "Hardball" Cutter discovers that the team he is working with is actually a group of IRA gunrunners, he decides to put a stop to their plans. Furious with Cutter, the gunrunners target him, his partner, and his family.

Four kids and a dog embark on the adventure of a lifetime -- the search for the end of the Rainbow. With the aid of computers and an irrepressible belief, they achieve the impossible, finding and riding the multicolored arc.