On her deathbed, David Dobbs’ mother asked her children to cremate her body, releasing the ashes in the Pacific so she could be with a man named Angus. Dobbs embarked on a search for Angus, leading him to a story of wartime love, heartbreak, forensics and family. But no one seemed anxious to publish it. The New Yorker and Wired both rejected the idea. The story languished for years, until he pitched it to Evan Ratliff, editor at The Atavist, a newly launched publisher of ebooks.