E. J. (Edith Janice) Craine

Writing as E. J. Craine, Edith Janice Craine was an American author born in 1881. Surviving catalog and author records connect her with a substantial run of juvenile and young-adult fiction, including titles such as The Air Mystery of Isle La Motte, Airplane Boys at Platinum River, Airplane Boys Discover the Secrets of Cuzco, and With the Revolutionists in Bolivia.

Her fiction was especially drawn to action and movement: airplanes, far-off settings, hidden places, and mysteries that promised danger without losing their sense of fun. Some reference sources also note that parts of her work flirt with supernatural or uncanny elements, though often in a story-friendly adventure style rather than straight fantasy.

Reliable biographical detail beyond her birth year is scarce in the sources I could confirm. What is clear is that she was an active contributor to popular adventure fiction for younger readers in the early twentieth century, and that several of her books remain available today through major digital-library and public-domain collections.