This guide provides a unique mile-by-mile geological road log for every highway on Oahu. Written in simple terms for tourists, it details the island's geology along each road, illustrated with 102 black and white maps and diagrams. The text is identical to other guides by the same author, but this edition omits photographs to offer a more economical option.

This guide is presented as a unique resource for understanding Oahu's geology while traveling. Its primary selling point is the detailed, road-based approach, making complex geological information accessible to a non-specialist audience. The inclusion of numerous maps and diagrams further supports this aim, providing visual aids for the mile-by-mile descriptions. The author highlights its value as a more affordable option compared to other versions of their work that include photographs.