Books like Charlie Bone and the Shadow

When Charlie is trapped in a magical painting he must battle an evil count thirsty for revenge. Will he be able to save himself and his friends? Find out in Book 7 of Jenny Nimmo's bestselling series!The enchanter Count Harken is back to take his revenge on the Red King's heirs, starting with Charlie Bone's family! Charlie's ancestor has been kidnapped and imprisoned in the dark, forbidding land of Badlock, and it's up to Charlie to save him. Traveling through a painting to the terrifying countryside, Charlie and his best friend's dog, Runner Bean, take up the quest. But when Runner Bean gets trapped, Charlie needs the help of his friends. Can they get past an army of trolls, rescue Runner Bean and Charlie's ancestor, and get out before it's too late?