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.

Charlie and his friends unite to rescue Ollie, a boy who was turned invisible and made to live in the attics at Bloor's Academy more than a year ago, but they are hindered by a mysterious new student who lives with Charlie's aunts.

When Asa Pike, a Bloor's Academy student with the ability to change into a beast at dusk, goes missing, twelve-year-old Charlie Bone suspects a new classmate, the magically gifted Dagobert Endless, of foul play.

Gwyn Griffiths draws on the strength of his namesake and ancestor in Welsh magic, Gwydion Gwyn, in an effort to purge the anger from an ancient Welsh demonic god that he had helped release, and to soothe a moody, troubled soldier.

Charlie and the Children of the Red King must call upon all of their strength to defeat the darkness and finally learn the fate of Charlie's family, the evil intentions of the Bloors, what has become of Septimus Bloor's will, and the destiny of the Red King's heirs.

It is years since King Timoken, his sister Zobayda, and his friends settled in the enchanted Red Castle, but now they are all threatened by the evil beyond the castle's protective spells and it will be up to two of Timoken's nine children, Petrello and Tolomeo, to find out which of their siblings is the traitor in their midst, and defeat their enemies.

Timoken has been living in apparent safety at Castle Melyntha with his sister, Zobayda, but when he is betrayed and attacked, he is forced to flee into the forest with his magic camel and the wizard Eri, leaving his sister behind.

Nia, the middle girl in a large Welsh family, discovers her own special artistic talent as she uncovers the dark secret shared by the Llewelyn and Griffiths families.

When Asa Pike, a Bloor's Academy student with the ability to change into a beast at dusk, goes missing, twelve-year-old Charlie Bone suspects a new classmate, the magically gifted Dagobert Endless, of foul play.

After years of having moved around, eleven-year-old Dinah determines to make a huge, dilapidated old mansion into a home for her mother and herself, but the wild beasts she summons from a stone wall to protect her may also imprison her.