To stop the evil corporation Nightrise from unleashing its devastating power around the globe, fifteen-year-old Matt and three other Gatekeepers travel to Hong Kong to find Scarlet, the final Gatekeeper, whose fate is inextricably joined to their own.

Moving to Hong Kong for her mother's job, Holly-Mei Jones couldn't be happier until she makes a frenemy at school and must use all of her determination, stubbornness, and sparkle to turn her life in this new city into the ultimate adventure.

Desperate to keep her friend group together, Holly-Mei convinces them to compete as a team in an inter-school tournament across Hong Kong, but when she becomes obsessed with winning, she pushes them away.

Taken in by a poor family in a rural village after the death of her father, Sunflower bonds with the family's only child, Bronze, who has not spoken since being traumatized by a terrible fire.

"The dense, steamy rainforests of northern Borneo are some of the oldest and most magical in the world. Under the shade of the towering tree canopies, majestic elephants and orangutans roam. However, Cruz Coronado is more focused on a tiny leech with a surprisingly painful, slow-healing bite. As he inches closer and closer, he wonders if what he discovered at the top secret Archive is true ... In this sixth installment in the Explorer Academy series,...