Her first book, The Encyclopedia of Early Earth, was published in 2013 by Jonathan Cape in London, Little Brown in the US, and Random House in Canada.
[3] In 2013, Greenberg was one of twenty leading graphic designers and illustrators to feature in the Memory Palace exhibition at the V & A, sponsored by Sky Arts.
[8] She has worked with Chatham Dockyard, Tyntesfield House and the Museum of Marco Polo in Korčula, Croatia.
[11] A movie adaptation was announced in 2024, directed by Julia Jackman and starring Emma Corrin, Maika Monroe and Nicholas Galitzine.
[13][14] James Smart, for The Guardian, wrote: "Greenberg blurs fiction and memoir: characters walk between worlds and woo their creators.