This was on hear several days ago. I think that dwarf was the most popular answer.
Perhaps it refers to Thomas's descendants.
"Ediciones" is Spanish for "Editions." An author submits a manuscript, but it needs work so the editor might correct the grammar, spelling, correct misstated facts, verify the bibliography, etc. Once the editor completes his work it becomes an edition.
Spanish to English: more detail...
Buenos tardes, amigo. Ediciones para Espanol es "Editions" en Englais, por favor. !Hasta luego!
Other people asked questions on various topics, and are still waiting for answer. Would be great if you can take a sec and answer them