Henry Carter Hull

An archaeological expedition in the West turns into a desperate attempt to capture robbers and an escaped convict.

When Alfie McQuinn, the notorious jewel thief, is killed on a job, his last words to his son, March, are to "find jewels" and this instruction leads the boy to Jules, the twin sister he never knew he had--and the perfect partner to carry on the family business.

While sinister Lord Luxon makes himself at home in twenty-first century Manhattan, Peter and Kate, aided by Gideon, pursue The Tar Man through the streets of eighteenth-century London, when history is at its tipping point.

When shop owners call on Detective Small to track down a banana thief, he follows the clues to a likely suspect, then learns that the real culprit is still on the loose.

A young girl enlists the help of her friends to solve a robbery in her home that threatens to put her family's house into foreclosure, after her father leaves town to look for work and her mother takes in borders to make ends meet.

When an attempt to bring Peter and Kate back to their own time is bungled, Peter finds himself stranded in 1763 while The Tar Man, a villainous eighteenth-century criminal, returns with Kate to twenty-first-century London.

Seventh-grader Steve Brixton finds himself pulled back into sleuthing when, during a train trip down the California coast, he uncovers a mystery involving a fleet of priceless automobiles, an assassin, and a private rail car.

The rider sprang off as light as a cat and pulled the reins over the horse's head. Then he marched straight over to me and put them into my hand. Hold the mare for me, lad. And when I come back, I'll give you a golden guinea." A dark stranger leaves his magnificent horse in the care of a boy he's never met. As dusk falls, others offer to pay the boy handsomely for the animal. Then soldiers arrive, demanding to know where the horse's owner has gone....

When a neighbor's package is delivered to Arf's house, he can't help himself and opens it to find a metal detector, which he has to try out, but he hopes his neighbor will forgive him after Arf makes a surprising discovery.

With a letter to President Franklin Roosevelt and unexpected help from her Hallelujah-spouting cousin, Henry James, Elsie Mae tries to prevent a company from building a canal through the Okefenokee Swamp.