David Cunningham

A family starts out on a one-day mountain climbing excursion that becomes very exciting. In fact, it becomes an adventure for the former "boxcar" family. They unearth some mysteries and have a fine time in the process.

The Alden children must solve a double puzzle which involves an old friend of Aunt Jane's, romance, and a chase.

Six children help solve the mystery of a missing spyglass that has kept two brothers feuding for years.

The Alden children, isolated in a storm at a small bus station, are led into a mystery centering on a polluted river.

A friendly writer with a metal detector, the mysterious inhabitants of a tower house, and the discovery of a locket in the sand are ingredients for the Aldens' latest mystery.

A crow makes a journey to find out what happens to the winter snow.

Earth finally receives a message from space: You only live on land. Allow us to live in the seas. Pilgrims, Book 3, THE BLUE PLANETS WORLD SERIES Rison will soon implode. They desperately need a new blue planet, a water planet. But Earth is crowded. Will humans be able to open their hearts to an alien race? Jake Rose joins the courageous crew of the Eagle 10 as they streak across the galaxy to Rison, the other blue planet. Their goal is to find the...

Sirens, Book 2, THE BLUE PLANETS WORLD SERIES He's an alien. She's not quite human. Can they survive an epic battle under the sea? Jake Rose's girlfriend, Em Tullis, has mysteriously disappeared, leaving only a one-word clue: Phoke. His search takes him around the world to fabled Aberforth Hills in the North Sea, home of earth's native aquatic people, the Mer‚ who are now known as Phoke. They've remained hidden for centuries, only emerging now in...