90 hatches including mayflies, stoneflies, caddisflies, midges, and terrestrials Both stillwater and creek, stream, and river hatches Color photos, key features, habitat, hatch times, and fishing hints for each insect 169 fly patterns Washington, Idaho, Montana, Oregon, Wyoming, California, Nevada, Utah, Colorado, Arizona, New Mexico, British Columbia, and Alberta"
- ISBN13 9780811707367
- Publish Date 11 July 2011 (first published 1 January 2011)
- Publish Status Active
- Publish Country US
- Imprint Stackpole Books
- Format Hardcover
- Language English