Unravelling the Crown of Thorns

AU Dumbledore and Grindelwald are singleminded in their ambition to create a World-Empire. WW2 begins years earlier. Tom Riddle and Hermione Granger are intimate childhood friends at Wool's Orphanage, but fate sends Tom far away, to be trained as an elite soldier for Grindelwald. Hermione and Harry find solace in each other at Hogwarts. Everything will tie together.