Twerp In Time: Missing! City Of Gold

Dennis Fletcher has a problem...or two. He's extra-smart, and even though he's skipped a grade, he's still bigger than a lot of the older kids! Making friends is hard--and something he wants more than anything. When he invites two of his classmates over to work on a group project, they suddenly find themselves in the middle of Coronado's Conquistadors--and Dennis's execution is slated only a few days away! How did they travel back in time to the 1500's? And how are they going to get back to...