Robin Von Bock: 1 book

Parody Lightfoot, 13, her big sister, Anna Banana, 16, and middle bro, Brian, 15, (no nickname, as yet) battle to save planet Earth from the dark forces of Father Time! A humorous adventure ensues with dragons, magical weapons (big swords, small axes), time travel, shapeshifters and some DNA stuff. There is also some head-scratching!