After a long hard winter spent with the gypsies, Heart and Moonsilver go in search of her home, Castle Avamir, whose directions are "higher than the clouds, deep in a valley, under the stars, and over the moon."

Heart is convinced that the old man from Castle Avamir can help her find her family, but the old man has been taken prisoner by Lord Dunraven.

Still searching for her true identity and a safe place for her beloved unicorns, Heart joins a group of gypsies and finds that her collection of threads have magically woven themselves into a bracelet.

Washed ashore as a baby in tiny Tupelo Landing, North Carolina, Mo LoBeau, now eleven, and her best friend Dale turn detective when the amnesiac Colonel, owner of a café and co-parent of Mo with his cook, Miss Lana, seems implicated in a murder.

Long ago in Nowhere, Texas, Mama and Papa Upagainstit agree to take in the wild baby their five children find in a passing tumbleweed, despite the objections of the one who used to be "the littlest-of-all girl."

Left at the Mostly Silent Monastery as a toddler and home-schooled by a retired nun, twelve-year-old Bicycle rides cross-country to meet a famous cyclist who she hopes will be her first friend.

As yellow fever threatens New Orleans in 1853, Marie-Grace cares for an abandoned baby.

"When Miss Lana accidentally buys a haunted inn at the Tupelo Landing town auction, Desperado Detectives--aka Mo LoBeau and her best friend Dale--opens up a paranormal division to solve the ghost's identity before the town's big 250th anniversary bash"--

"A rumor that Blackbeard's buried treasure is somewhere near Tupelo Landing causes pirate fever to sweep through town just as clues about Mo's Upstream Mother surface and the Desperado Detectives--aka Mo LoBeau and her best friends Dale and Harm--take on the most important case of Mo's life"--