The war in the valley rages on while the Bones, Gran'ma Ben, and their loyal rat creature cub venture on a dangerous trek to Atheia, the old city of the royal family. The goal is to bring Thorn to safety, but to do so they must first travel through fields of the mysterious ghost circles where reality meets the supernatural -- and all this while fending off deadly attacks from Briar, Kingdok, and the rat creatures.

It's full-fledged war as Briar, the rat creatures, and the Pawan army storm the city of Atheia. The Bone cousins, Thorn, and Gran'ma Ben are all there to defend the Valley and stop the return of the Lord of the Locusts. When Thorn goes inside a ghost circle, she hears a voice urging her to seek the Crown of Horns. What follows is another dangerous journey for Thorn and loyal Fone Bone as they race to the sacred grounds of the dragons, searching for...

Fone and Smiley go into the wilderness to help a lost rat creature and they meet the giant mountain lion, Rock Jaw.

No one knows death like Tea. A bone witch who can resurrect the dead, she has the power to take life...and return it. And she is done with her self-imposed exile. Her heart is set on vengeance, and she now possesses all she needs to command the mighty daeva. With the help of these terrifying beasts, she can finally enact revenge against the royals who wronged her―and took the life of her one true love. But there are those who plot against her, those...

Orphaned by the Border Wars, Alina Starkov is taken from obscurity and her only friend, Mal, to become the protege of the mysterious Darkling, who trains her to join the magical elite in the belief that she is the Sun Summoner, who can destroy the monsters of the Fold.

Charlie Bone's life with his widowed mother and two grandmothers undergoes a dramatic change when he discovers that he can hear people in photographs talking.

Fi is a bookish treasure hunter with a knack for ruins and riddles, who definitely doesn't believe in true love. Shane is a tough-as-dirt girl warrior from the north who likes cracking skulls, pretty girls, and doing things her own way. Briar Rose is a prince under a sleeping curse, who's been waiting a hundred years for the kiss that will wake him. Cursed princes are nothing but ancient history to Fi--until she pricks her finger on a bone spindle...

Charlie faces his most dangerous adventure yet when the shadow from the Red King's portrait escapes. Strange things start to happen at Bloor's Academy. A mysterious force, however, is helping Charlie get closer to the truth about his father.

Back at Bloor's Academy after Christmas vacation, Charlie finds himself confronted with a new problem when young Henry Yewbeam, who vanished during a game of marbles in 1916, suddenly appears and needs help to find his family.

In the mid-21st century major world cities are controlled by a formidable security force and clairvoyant underworld cell member Paige commits acts of psychic treason before being captured by an otherworldly race that would make her a part of their supernatural army.