Our Books

Dan R Lynch, son of shop owners Bob and Nancy Lynch, works with Bob to write a series of rock and mineral field guides, published by Adventure Publications in Minnesota. These guides offer an in-depth look at the rocks and minerals present in a given region and teaches readers of all skill levels how to identify their finds. 

Our available titles include:

  • Lake Superior Rocks & Minerals
  • Arizona Rocks & Minerals
  • Michigan Rocks & Minerals
  • Colorado Rocks & Minerals
  • Minnesota Rocks & Minerals
  • Washington & Oregon Rocks & Minerals
  • New Mexico Rocks & Minerals
  • Wisconsin, Illinois, and Iowa Rocks & Minerals
  • New York Rocks & Minerals
  • Agates of Lake Superior: Stunning Varieties and How They are Formed
  • Lake Superior Agates Field Guide
  • The Wonder of North American Agates
  • Rocks & Minerals of the United States Quick Guide
  • Rock Hound's Logbook & Journal
Minnesota Rocks & Minerals, an example of one of our identification guides, covering the entire state of Minnesota including the North Shore.

Minnesota Rocks & Minerals, an example of one of our identification guides, covering the entire state of Minnesota including the North Shore.

A sample spread from Rocks & Minerals of Wisconsin, Illinois, and Iowa, showing the illustrative and concise manner with which we teach the reader what the need to know to identify rocks, minerals, and fossils.

A sample spread from Rocks & Minerals of Wisconsin, Illinois, and Iowa, showing the illustrative and concise manner with which we teach the reader what the need to know to identify rocks, minerals, and fossils.

Agates of Lake Superior: Stunning Varieties and How They Are Formed is our largest and most popular book, offering an in-depth look at the formation of agates, followed by an extensive discussion of the many structural variations found in Lake Superior's gemstones.

Agates of Lake Superior: Stunning Varieties and How They Are Formed is our largest and most popular book, offering an in-depth look at the formation of agates, followed by an extensive discussion of the many structural variations found in Lake Superior's gemstones.

Copies available at adventurepublications.net and at Amazon.com. Signed copies available in our shop!

See more of Dan R Lynch's work at danrlynch.com.