This book sets forth both the theory and practice of navigation as applied to fishing. It explains the use of various aids in work with and without fishing gear, while searching for and taking fish. Several methods of course-shaping are suggested along with a mathematical treatment if navigational problems. The book is intended for students of navigation departments or colleges, and was originally published in the Soviet Union. The book is an outcome of teamwork by Vladimir Olkhovsky, Anatoly Tantsura and Vladimir Yakovlev. At he time of original publication, Professor Olkhovsky was pro-rector of the Murmansk Navigation School. He has written Oceanography in the Service of Modern Navigation with V. Dremling (as co-author), Radio Aids to Dead Reckoning, A Reference Handbook of Fishing Navigators (as editor-in-chief), etc. Tantsura was assistant professor at the Navigation Department of the Murmansk Navigation School. He has contributed articles on fishing oceanography to various periodicals. Yakovlev is an engineer at the Research and Development Sector of the Murmansk Navigation School. He has contributed to A Reference Handbook of Fishing Navigators (edited by Olkhovsky) and a number of articles to periodicals.