D. McCall Johnston https://validator.w3.org/feed/docs/rss2.html Upcoming Meet the Author & Book Signings Press & Reviews Externalities Reviewed by The Seaboard Review of Books Meet the Author & Book Signing at The Book Hive in Meaford Buy Externalities by D. McCall Johnston | Official Purchase Links Book Signing at Indigo The Well — Toronto Externalities Recognized at the 2026 CANREADS Awards About Me The Book Home Fireside Chat with D. McCall Johnston at the Owen Sound Library Featured in Connecting The Sound Magazine — October 2025 Issue Book signing at Cole’s Owen Sound on Oct 25, 2025 News & Events D. McCall Johnston Visits MP Alex Ruff Contact Sample Page