"When Jen follows a mysterious voice that beckons her to the underworld to uncover a secret about her past, Pat almost doesn't notice that a sinister plot is afoot, and to defeat the new villain in town, Pat and Jen might just have to do the unthinkable--team up with Evil Jen to put a stop to their nemesis before it's too late"--
juvenile
by Pat + Jen from PopularMMOs ; illustrated by Dani Jones.
Chiefly illustrations.
Accelerated Reader AR MG 2.9 1 509850.