After an especially rough tackle on the football field, Ash thinks he might be suffering some permanent damage, because suddenly stop signs are blue and always have been. After the second universe-altering hit, he drives a Beemer instead of a Dodge, and a pair of interdimensional twins promises him answers. The more universes he visits, the more Ash has to face perspectives he never thought to consider before, and the closer the universe gets to complete...

Presents the continuing adventures of Henry York, who has been living in Kansas with his cousins, where he discovers doorways leading to other worlds and becomes involved in a multi-world struggle between good and evil.

"An imaginative picture book that combines nature and play to talk about the passage of time."--

Four linked stories of discovery and survival begin with a Paleolithic-era girl who makes the first written signs, continue with Anna, who people call a witch, then a mad twentieth-century poet who watches the ocean knowing the horrors it hides, and concluding with an astronaut on the first spaceship from Earth sent to colonize another world.

When four kids went through a mysterious portal, they discovered an endless dungeon full of treasure, monsters, and magic! They returned home as heroes. But when adults tried to enter the portal, they couldn't. Only kids were granted access. And so the Dungeon Crawlers Academy was born: a school devoted to training young adventurers to explore the dungeon and bring back its fabulous treasures.

Merging space travel with a road trip, a father drives all over the solar system at 37mph in order to allow his children to view the conflicts of Earth's history in the rearview mirror. Whether it's only been the 78 years it takes to drive to Venus or the 8,000 it takes to get to Neptune, humans have been fighting each other for small pieces of space on our planet.