"The Virals must find a geocache concealing a bomb--and the clock is ticking"--Provided by publisher.

When her estranged grandmother dies and leaves her mother the family home on Selkie Island, seventeen-year-old Miranda meets her mother on the Georgia island, where she discovers mysterious family secrets and another side to her logical, science-loving self.

A boy sails across the sea, looking at various objects through his spyglass, until he reaches an island where his dog is waiting for him.

"There are no polar bears left on Bear Island. At least, that's what April's father tells her when his scientific research takes them to a faraway Arctic outpost for six months. But one night, April catches a glimpse of something distinctly bear shaped loping across the horizon. A polar bear who shouldn't be there--who is hungry, lonely, and a long way from home. As their unlikely bond grows, April is determined to save her new friend--and so begins...

Twelve-year-old Elizabeth resents being sent to stay on a small Maine island after the arrival of her new baby brother, but the time she spends with her artist grandmother and an unusual young neighbor help her to see things differently.

Four girl cousins spend summer vacation together with their grandmother on Gull Island.

Sasha, Kimani, and Wyatt are flying to the Royal Island, home of Sasha's parents, the King and Queen of flying horses, where Sasha hopes to meet her folks for the first time, but when they encounter a powerful storm that forces them to take shelter on a small island, Sasha's dream of finally seeing her parents is put in jeopardy.

Castaway on an uninhabited island, Abel, a very civilized mouse, finds his resourcefulness and endurance tested to the limit as he struggles to survive and return to his home.

Eight-year-old Isla Verde loves living on the ever-adventurous island of Sol with her best friend, a gecko named Fitz, but when a new girl moves next door, Isla has a hard time keeping her big secret--that she can talk to animals!

On an island off the coast of Maine, where children ride lobster boats to school, Piper wants a horse but finds, instead, another object hidden in the red maple tree.