Book excerpt: This book recalls 50 of the greatest naval battles to have been fought since medieval times, examining why they took place, who was in command and what impact they had on both the victors and the losers. From the Battle of Flanborough Head in 1779 to Jutland in 1916, Great Naval Battles also considers how changes in technology and battle tactics impact upon the outcome and what makes a decisive victory. Written by the renowned naval historian Dr Helen Doe, this is a fascinating analysis of maritime power through the ages.