Common Questions: Does Marine Digest-It work in Salt Water? Yes, our bio-enzymatic formulas are specially designed to remain active in fresh or salt water. Is Marine Digest-It safe for marine life and the environment? Yes, our formulas contain naturally occurring bacteria and natural ingredients...

FRAM oil filters are designed to deliver market leading efficiency and capacity. Uses cellulose and glass blended media to provide 3X more engine protection than the average of leading economy filters. When your oil breaks down, damaging dirt and particles can threaten the life of your engine. Next...

The 12-Volt Bible for Boats is a clear, nonthreatening introduction to the 12-volt electrical systems used on small boats to power everything from reading lights to bilge pumps. This second edition is thoroughly updated with respect to modern batteries, breaker and panel design, alternative energy s...

Are you preparing for the collapse of society? Concerned about making it through the next category 4 hurricane? Looking to be less dependent on an increasingly fragile infrastructure? If so, you are definitely not alone. In this timely follow-up to The Ultimate Survival Manual, Prepare for Anything...

Islands have always been fascinating places, their separateness evoking a sense of mystery and inspiring a yearning for exploration. California's islands are unique evolutionary laboratories, places where plants and animals have grown and interacted in isolation for millions of years. This comprehen...

If like most do-it-yourselfers you've relied on a sketchy owner's manual or one of those abstruse shop manuals written for professional mechanics to keep your onboard running, here's an end to your frustration. This abundantly illustrated nonthreatening guide is filled with effective maintenance, re...