In the perilous Mortmain Mountains, Klaus and Violet Baudelaire meet another well-read person, who helps them try to rescue Sunny from the villainous Count Olaf and his henchmen as they all near "the last safe place."

While staying with her Aunt Millie in the Appalachian Mountains of Kentucky in the summer of 1934, Kit tries to discover who is sabotaging a visiting folklore researcher.

While on the last leg of their race, Russell and his friends must choose between a rescue mission and an attempt to win the race.

"Frank and Joe are back on Black Bear Mountain, the scene of a previous wilderness adventure and mind-bending mystery. This time, the brothers are checking in on Dr. K, a friend they made during their first trip. Dr. K is a fan of living off the grid, but he's been MIA long enough to cause worry in the small mountain town. And so the teenage detectives Black Bear Mountain relied on before have been called in to help once again. It's not a good start...

Fifteen-year-old Peak Marcello is invited to participate in an "International Peace Ascent" in the Hindu Kush, with a team made up of under-eighteen-year-old climbers from around the world--but from the first something seems wrong, so when the group is attacked, and most of the climbers are either killed or kidnapped, Peak finds himself caught up in a struggle to survive, shadowed by the Shen, a mysterious snow leopard.

In the summer of 1964, Carolina is a runaway hiding out at Harmony Farm in North Carolina's Blue Ridge Mountains. The Harmony's, Mr. Ray and Miss Latah treat Carolina as their own and wait for her to reveal her secret. But Carolina doesn't want to reveal the accident that claimed her parents and her younger brother and the surrogate grandmother who cared for Carolina until illness forced Carolina to go to a foster home. Russell, a troublemaker...

Told from separate perspectives, four girls, Britta, Meredith, Kate, and Spider, only two of whom had met before, spending an unforgettable July with Spider's aunt in the Adirondacks.

In the late 1800s, a twelve-year-old nightspirit living in the Great Smoky Mountains despairs as homesteaders destroy her forest habitat, until a chance encounter with a "day-folk" man changes everything she thought she knew about her people--and their greatest enemy.

Eleven-year-old Verbena Polter gets through a difficult summer of turbulent emotions and the revelation of a disturbing family secret with an odd new friend who believes she is the ghost of a girl who drowned many years before.