Some collections on sale for June in the US:
The Wolfe at the Door by Gene Wolfe - $3 (
Kobo,
Amazon)
Convergence Problems by Wole Talabi - $3 (
Kobo,
Amazon)
Beyond the Fringe: An Arcana Imperii Collection by Miles Cameron - $1 (
Amazon)
Novellas, set after the events of
Artifact Space