S S · Sharon Spencer · Sören Svensson · Soren Svensson
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| The Total Runner's Log | 978-1-887565-02-8 (1-887565-02-7) | 2001 |
| The Total Runner's Log: The Essential Training Tool for the Runner | 978-1-887565-00-4 (1-887565-00-0) | 1998 |