The Boy Who Reversed Himself

When Laura finds her homework in her locker with its writing reversed shes baffled until she learns an unbelievable secret: her weird neighbor Omar has the ability to travel to the fourth dimension. Laura forces him to take her there and then a novice in "four-space " she goes there on her own. Theres only one problem she doesnt know how to get back."A cerebral science-fiction thriller cunningly constructed to keep the reader involved until the last pages." The Horn Book