Eric, Neal, and Julie have a big problem on their hands. Galen the Wizard had warned them never to bring anything from Droon into the Upper World. But Julie has brought a bracelet by mistake, and it's turned Eric's dad into a ghost in Droon! Now the kids must find him. If they don't, he'll end up in the Land of the Lost - forever.

作者簡介：

Tony Abbott is the author of more than thirty funny novels for young readers. Since childhood he has been drawn to stories that challenge the imagination, and, like Eric, Julie, and Neal, he often dreamed of finding doors that open to other worlds. Now that he is older, he thinks he may have discovered some of those doors. He calls them books.