Book of Donmon Teith

Abigail, Jacob, Zack, and Bo travel back in time to visit Alexander Graham Bell, and they urge him not to give up on his efforts to invent the telephone.

Abigail is getting restless. It’s been three weeks and she hasn't time traveled once! Luckily it’s Monday again, so when Mr. Caruthers asks the class, “Wh

Abigail and her classmates travel back in time to discover that Professor Bell has given up on the telephone and is hard at work on a new invention. Can Abigail

"[A] page-turner…The Telephone Gambit is solid history, and Seth Shulman makes it as much fun to read as an Agatha Christie whodunit." —John Steele Gordon,

“Chip Bell's unique perspective, lively illustrations, and practical advice result in one terrific resource for anyone eager to tap a customer's ingenuity for