Herbert Slewg and his hapless, video game–addicted neighbor Alex Filby have stumbled upon what Einstein could only theorize about: a wormhole through the spac

By means of special software, Michael and Kate travel back in time to save Michael's ancestor, a Black cavalryman during the Revolutionary War, and to warn Lafa

It's a cool, damp night, and a wriggling worm searches for food in a garden. Before the sun rises, it returns to its home in the soil. Tiny hairs on the worm's

Book by book, the storyline is evolving. I’m riveted to the mysteries it’s slowly revealing. It’s simultaneously a world you want to live in, but also one

Welcome, intrepid temporal explorers, to the world's first and only field manual/survival guide to time travel!DON'T LEAVE THIS TIME PERIOD WITHOUT IT! Humans f