Imaginarium 3: The Best Canadian Speculative Writing is a reprint anthology collecting speculative short fiction and poetry (science fiction, fantasy, horror, magic realism, etc.) that represents the best work published by Canadian writers in the 2013 calendar year.

Featuring Colleen Anderson, James Arthur, Madeline Ashby, Siobhan Carroll, Anne Carson, Kate Cayley, Peter Chiykowski, Jan Conn, Joan Crate, Indrapramit Das, Craig Davidson, Cory Doctorow, Amal El-Mohtar, Ian C. Esslemont, Gemma Files, Laura Friis, Richard Gavin, Jennifer Giesbrecht, Kim Goldberg, Neile Graham, Nalo Hopkinson, Louisa Howerow, Claire Humphrey, Matthew Johnson, Catherine MacLeod, Tam MacNeil, Silvia Moreno-Garcia, Kim Neville, David Nickle, Robert Priest, Robin Richardson, Leon Rooke, Geoff Ryman, Simon Strantzas, Jane Tolmie, Halli Villegas, and A.C. Wise.