After facing their first battle, the remaining mountain cats must seek the Blazing Star in order to survive a new threat: a deadly disease sweeping through their territory.

Two middle-grade kids take a shortcut home from school and discover what looks like fuzzy mud but is actually a substance with the potential to wreak havoc on the entire world.

ZJ's friends Ollie, Darry and Daniel help him cope when his father, a beloved professional football player, suffers severe headaches and memory loss that spell the end of his career.

If eleven-year-old Sara and her brother Hawk can complete a task involving the reclusive author renting out the silo on their farm for the summer, they will receive reward money that will pay for Sara's life-saving surgery.

When the lethal plague known as the Scourge returns to Keldan the victims are sent to Attic Island, and Ani Mells of the River People is among them--but Ani does not feel sick, and with the help of her best friend, Weevil, she sets out to uncover the truth of what is happening, and expose the lies the people of Keldan have been told.

In 1910 New York City, four years after her Irish immigrant father dies of tuberculosis, ten-year-old Essie's fear and anxiety continue to grow uncontrollably, so much that when her mother, a brave nurse, remarries and the family moves to North Brother Island, where Essie's new stepfather runs a quarantine hospital for the incurably sick, Essie imagines all manner of horrors, including the ghost of a little girl--which might not be imaginary after...

In her second year at Arcanum Training Institute, Ella grapples with fame, unearths a perilous school secret, and faces a mysterious magical illness outbreak, prompting her, alongside Brigit and Jason, to clear her name, while working tirelessly to safeguard the Marvellian realm from impending chaos.