| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Florida Trivia | 978-1-55853-316-5 | 1994 | Jill Couch |
| Michigan Trivia | 978-1-55853-344-8 | 1995 | " |
| Oklahoma Trivia | 978-1-55853-732-3 | 1999 | |
| Presidential Trivia | 978-1-55853-412-4 | 1996 | |
| Texas Trivia | 978-1-55853-114-7 | 1991 | Jill Couch |
E C. · Erin Case · Erin Casey · Erin Chase · Erin Cook · Erin Coss · Erin Cox · Ernie Cooke · Ernie Cox · Erwin Cook