Part of an exciting new series of small format guides which help you better understand the sea by William Thomson FRGS. This is the essential guide to Tidal Streams, clearly explained through a seamless blend of simple descriptions and rich infographics.

Tidal Streams are currents that flow both ways along the coast and they can have a dramatic impact on your adventures, affecting how far and fast you can travel while creating dangerous phenomena to navigate around. In this Explorer Guide, William demystifies their workings and shares the secrets of streams for everyone.

Inspired by explorations on his catamaran Luna, William has drawn upon a mixture of practical experience and theoretical study to create this Explorer Guide, equipping you with the knowledge to know what to expect where and when. With that know-how you can then make decisions with more confidence, planning adventures to harness the energy of tidal streams and ‘Seas The Power’.

William is the founder of Tide School and author of Book of Tides who is currently on a long-term sailing voyage with his young family aboard their yellow catamaran, Luna.

Part of an exciting new series of small format guides which help you better understand the sea by William Thomson FRGS.

An essential guide to the Moon, clearly explained through a seamless blend of simple descriptions and rich infographics.

As the moon orbits the earth its waxing and waning controls the tides while sharing clues for natural navigation. In this Explorer Guide, expert William Thomson shows how you can predict the tides with a single glance at the moon, and how that quick look can help you navigate through the ever-changing environment shaped by the gravitational pull from the moon.

Inspired by explorations on his aptly-named catamaran Luna, William has drawn upon a mixture of practical experience and theoretical study to create this Explorer Guide, equipping you with the knowledge to make decisions with more confidence and plan adventures that harness the moon’s energy and ‘Seas The Power’.

William is founder of Tide School and author of Book of Tides who is currently on a long-term sailing voyage with his young family aboard Luna.