Soon Henry is absorbed in John Striven’s struggles with his jealous foster-brother, Thomas Walton, who, it seems, will stop at nothing to be rid of him. Then matters take a darker turn. Battling to escape his own enemy, Henry finds his life beginning to imitate John’s and when the diary shows John summoning ‘an Angellick Spirit’ to his aid, Henry eagerly tries the same. Unfortunately, calling up Mephistopheles lands both boys in greater danger than they’d ever bargained for...
Griselda Heppel read English at Cambridge and worked in publishing for a few years before moving to Oxford with her husband to bring up their four children.