Mark Slade 
Strange Corridors [EPUB ebook] 

Emma is unhappy at home. Her parents fight, and party too much. Her stepsister just moved away, and Emma feels alone.
When the mysterious Jester Giraurd appears, he convinces Emma to go with him through Strange Corridors, promising to take her to her older sister. Soon, Emma encounters many bizarre creatures, such as the Hanged Man, the Talking Crow, and the Woman In Black.
With her newfound friends Paul and Orgo, Emma tries to rescue children shanghaied through the Strange Corridors. But can they defeat the evil Drake Sisters and bring the children to freedom?