The Time of Green Magic

A fantasy novel for teens by the renowned British author Hilary McKay, a winner of several prestigious awards in children's literature.
 
Ebi and her two stepbrothers barely have time to adjust to life in their creepy new ivy-covered house when strange... things begin to happen. As soon as the girl starts reading, the incredible book world pulls her into its reality. Little Louis befriends a whimsical creature that visits him at night. Even skeptical Max can distinguish frightening silhouettes in the shadows…
 
When Ebi and Max learn about their younger brother's friendship with the unusual creature, their anxiety begins to grow as the nighttime guest increases in size. Now they must unravel the mystery of the green magic that Grandma Grace spoke of in order to uncover the secrets of the mysterious house and save Louis!