In the second installment of the spellbinding Wing & Claw series, Newbery Medal-winning author Linda Sue Park takes a young apothecary hero to new heights of danger, exciting adventure, and intriguing botanical magic.

Raffa Santana has spent all winter hiding in the harsh wilderness of the Sudden Mountains, and now it's time to return home. Home, where his parents will help him fight back against the vile Chancellor who has captured and altered the wild creatures of the Forest of Wonders. Home, where Raffa's beloved companion, Echo the bat, will recover from his mysterious sickness.

To get there, Raffa must make a treacherous journey across Obsidia. Along the way, he will discover a luminous plant that might be the key to saving the creatures stuck in the Chancellor's grasp? if only Raffa can unlock the plant's secrets and deliver the cure to the captive animals.

Cavern of Secrets masterfully explores one boy's responsibility to his friends, family, and the wider world.

Can one boy with a talent for botanical magic stand against a powerful Chancellor and save the creatures he loves?

• Boy and His Animal Companion: Raffa will do anything to save his best friend, Echo the bat, from a mysterious illness, even if it means a dangerous journey home.
• Exciting Adventure: A treacherous quest across the wilderness of Obsidia, where danger lurks behind every rock and tree.
• Botanical Magic: Raffa must unlock the secrets of a mysterious luminous plant to create a cure for the forest’s captive creatures.
• Protecting Animals: Stand with Raffa as he fights back against a vile Chancellor who twists wild animals into monstrous weapons.

As in life, the choices are never black and white as Park’s realistically flawed characters struggle between looking out for the greater good or for themselves.