Teenage Mutant Ninja Torpedoes (Wilizy Book 5)

Mac disappears and doesn't want to be found. Will and Wolf use time-travel to search for her and discover secrets she wouldn't want them to know. The Alaskans attack when Will is finding out what happens to a submarine's air when it is lying helpless on the ocean floor. Between the Alaskans' impenetrable fortress and their bubblegum weapons, life is going to get a little sticky for the Wilizy.