For Ages
12 to 99

When Nephele has a terrible freshman year, she does the only logical thing for a math prodigy like herself: she invents a time travel app so she can go back and do it again (and again, and again) in this funny love story, Groundhog Day for the iPhone generation.

Fourteen-year-old Nephele used to have friends. Well, she had a friend. That friend made the adjustment to high school easily, leaving Nephele behind in the process. And…

An Excerpt fromTime Travel for Love and Profit

Chapter 1

My Miserable Destiny

The day my best friend, Vera Knight, dumped me, I didn’t know what happened. We were sitting in the cafeteria right after winter break. I was eating my usual burrito. Vera was eating her usual six jelly beans and a bagel. I said, “My current favorite mathematical concept is fractals. Not only do they make psychedelic patterns, they also describe infinity.”

Vera nodded, and nudged a white jelly bean across the table with her index finger.

“What’s your current favorite mathematical concept?” I asked. “You’re probably still obsessed with square roots.”

Vera kept nodding and looked over her shoulder. I looked where she was looking and saw nothing but Ramsey Schultz, with her bored facial expression and her multitude of extraneous accessories. The dangly feather earrings, the metallic boots, the table of worshippers who shadowed her every move like spy drones.

“Square roots,” I said. “I knew it.”

Vera stood, said “I’ll be right back,” walked to Ramsey’s table, sat, and didn’t say another word to me for the rest of the year.

Of course, at the time,…