A nest of invisible baby dragons has been discovered in Queen Sofia's castle so Drake, Worm, and Val, Carlos's cousin, must journey to the dangerous Dove Island to find the parents and the fruit that keeps the dragons' invisible powers.

After the medicine cat has a dark vision during an already dark and uncertain period for ShadowClan, Tigerheart considers leaving the clan for good in order to save it.

Dan and Amy Cahill travel to Egypt to hunt for 39 clues, when they get a surprise communication from their dead grandmother, Grace.

Leopardstar knows her destiny is to save RiverClan from destruction, so as the rise of ThunderClan deputy Tigerstar shatters peace among the clans, Leopardstar must decide what kind of leader she will be.

When an unexplained blackout engulfs Stonetown, Benedict Society members Reynie, Kate, Sticky, and Constance follow clues on an adventure that threatens to separate them from their families, friends, and even one another.

Amy and Dan, wanted by the Indonesian police and stranded on an island with a tropical storm on the way, are about to discover a terrible truth about their branch of the Cahill family.

When the hunt for his lost friends leads Cole Randolph to the kingdom of Elloweer, he and new friends Mira, Twitch, and Jace team up with the resistance movement to search for Mira's sister, Honor, but enemies abound and Cole and Mira must use a new kind of magic to protect themselves.

Sky receives a letter from her long-missing father, who informs her that she must save the world by securing vital information left in the dinosaur-ruled world above ground.

When gifts and notes begin appearing at the castle, it seems that Elsa has a secret admirer somewhere in the kingdom, so she and her sister Anna try to find out who it is.

Amy and Dan Cahill have their final confrontation with twisted billionaire J. Rutherford Pierce, a man whose power has no limits and is one step away from being elected president.