Henry Carter Hull

Tucker Feye and Lah Lia each hurtle through time, relating their stories in alternating viewpoints that converge at crucial moments.

When Albie's mother dies from cancer, his father explains that she may be alive in a parallel universe, so he decides to universe-hop and find her with the help of a banana, a laptop, and a box.

When a medieval princess appears out of a rusty box bought at a yard sale, fourteen-year-old tomboy Casey Peabody and her family are stuck with her royal snobbiness until the young wizard who had trapped her there figures out the spell to send her home.

After thirteen-year-old Tucker Feye's parents disappear, he suspects that the strange disks of shimmering air that he keeps seeing are somehow involved, and, when he steps inside one, he is whisked away on a time-twisting journey trailed by a shadowy sect of priests and haunted by ghostlike figures.

Thirteen-year-old Jonah, stolen from the past as an infant, teams up with his sister Katherine to help Virginia Dare, the first child born in America to English parents.

Ten-year-old Matt and six other children travel to 1776 Boston, living out American history as they meet Benjamin Franklin, learn about colonial medicine, and become part of a rebel spy ring.

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...

Magically transported to southwest China to find the final object needed to break the spell on the wizard Merlin's beloved penguin, Jack and Annie take a side trip to the world's largest giant panda reserve.

Eleven-year-old Olive finds herself drawn to the grimoire of the witches who built her house and tries to use its spells to uncover the house's magic and control the cats themselves, but the book is more wicked than it seems.

When Jonah and Katherine travel to early 1900s Switzerland and Serbia to return Albert Einstein's daughter, Lieserl, to history, her mother Mileva grasps entirely too much about time travel and has no intention of letting her daughter go.