Christine Morton-Shaw

The Riddles of Epsilon is a young adult or teenage fantasy novel by the British author Christine Morton-Shaw. It was first published in the USA by the Katherine Teegan imprint of Harper Collins publishers. It later appeared in the UK and Italy.

Jim moves to ancient Minerva Hall and encounters the ghosts of six children. They urge him to find the seventh child and leave him cryptic clues that point to a dark, ancient prophecy that only Jim can stop from being fulfilled. Jim turns to Einstein, a brilliant autistic boy who lives at the Hall. If anyone can help …