Books in Prentiss Twins series

Janine Prentiss is tired of spending her summers digging up dinosaur bones with her single-parent father, an eminent paleontologist. But neither does she want to spend her summer vacation listening to her shaman grandfather's lame tales of spirit quests and totem creatures who talk. Justin Prentiss thinks his twin sister is nuts. What kid in their right mind wouldn't love field camp? The wild beauty of Montana mountains, fresh air, and adults too busy to pay attention to what a guy is doing as long as he shows up for meals and bedtime. Field camp rocks! At least until Janine finds a weird chunk of granite that she's convinced is a living egg...

Justin Prentiss and his twin sister Janine are Native American shamans … and they’re not even teenagers yet! With their thirteenth birthday fast approaching, Justin’s spirit animal, Coyote, informs him it’s time for his manhood ceremony. If he succeeds in the ancient rite, he’ll earn his magic.But why has he been forced to wait? His twin sister has been using magic for months!Join Justin as he learns just exactly who—and what!—he is in this second Prentiss Twins adventure.