One of the recent advances in fishing techniques has been the recognition of the importance of barometric air pressure on the ability to catch fish.
Andrew Betts informative book Trout, Salmon & the Evening Rise - The Barometric Breakthrough explains this, based on much personal research & experimentation.
This book will actually help you catch more fish.
Understand why the weather
plays such an important part in the fortunes of a fisherman, learn how to take
advantage of this by knowing when to or not to fish using a barometer. One of the most thought provoking fishing books of the year. Any fisherman can seriously benefit from these techniques.