At least a few of his books are for teens.
Not to be confused with the 54-year-old American suspense novelist.
From the University of Victoria:
"Eric Wilson is the bestselling author of 23 mysteries for young people and one adult novel. He was born in Ottawa in 1940 but has lived most of his life in Nelson and Victoria, B.C. His father was an RCMP officer. He received a B.A. in Education from U.B.C. and taught elementary school in White Rock from 1963 to 1985 when he became a full-time writer."
https://en.m.wikipedia.org/wiki/Eric_Wilson_(author)
https://www.fantasticfiction.com/w/eric-wilson/
(book covers)