"The Aldens are spending their first week of summer at Camp Quest in Colorado. The children are excited to learn about fossil hunting and paleontology from renowned scientist Dr. Iris Perez. But strange events at the camp make them wonder if the legends of a bigfoot-like creature roaming the valley might be more fact than fiction."--Provided by publisher.

The Aldens search for carousel horses that have disappeared from an amusement park.

On their trip to Oregon, the Aldens are excited to find out that Watch has the right skills to be a search and rescue dog! When they start training him in the woods one of the first things he "rescues" is a backpack filled with valuable jewelry--and it fell out of a plane! How could that have happened? When the children try to return the backpack to its owner, the mystery becomes even deeper!

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.

When Jessie and her friends decide to go camping as part of the Weekend in the Woods event, it doesn't take long for them to start discovering strange clues that could have something to do with a hiker who went missing years ago. Soon after they begin their investigation, they start receiving threatening messages from someone who wants them out of the woods, immediately. Could someone be trying to cover up what really happened to the missing hiker?...

The Alden siblings continue their mission to return lost artifacts around the world by visiting the Great Wall of China and an elephant reserve in Thailand, among other sites, but halfway around the world trouble seems closer than ever.

The final leg of the Aldens' journey brings them to South America and to the Salt Flats in northern Argentina. But when they hit a dead end, they realize someone has tricked them in order to delay their plans! Returning to Buenos Aires, the Aldens connect with the Silvertons and are able to get back on track. But it is clear their rivals are closer than ever. The Aldens' final artifact is their most delicate yet, a rare orange orchid they must return...

In the aftermath of the American Revolution a destitute young woman agrees to a marriage of convenience and becomes Mistress of Tall Acre. But when secrets from her husband's past are revealed, loyalties and ties are torn asunder.

The four Darlyn sisters discover the family farm is mortgaged to the hilt when their father falls desperately ill. Plagued by a creditor with designs on more than their land, will a traveling stranger be the answer to their prayers? Greyson Wilder, searching for buffalo bones, is surprised to find himself saddled with a slew of sisters, instead. But it's the eldest—sharpshooting Beatrix—who hits the mark of his lonely heart.

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When colonial Williamsburg explodes like a powder keg on the eve of the American Revolution, Lady Elisabeth "Liberty" Lawson is abandoned by her fiancé and suspected of being a spy for the hated British. No one comes to her aid save the Patriot Noble Rynallt, a man with formidable enemies of his own. Liberty is left with a terrible choice. Will the Virginia belle turned lacemaker side with the radical revolutionaries, or stay true to her English...