From the beginning of WWII, German U-boats waged a merciless war against Allied shipping. Readers will discover how the Wolfpack came close to starving Britain into surrender, but how the heroism and skill of the Merchant Navy and Royal Navy eventually overcame the U-boat menace, sending the bulk of Hitler's submarine fleet to the bottom of the ocean. Convoy tactics and Arctic convoys to the renowned and hair-raising Channel Dash are also examined. Featuring accounts of eyewitnesses and those who served and fought in these cruel and trying times, this volume is replete with authoritative analysis, gripping first-person stories of warfare on the high seas, and rare and little-seen photographs.