John Henshaw is a retired chartered surveyor, educated at Wesley College and Melbourne University. He spent most of his working career designing and constructing buildings of all types from domstic houses to office buildings. He has always had a love of the sea and owned several yachts, cruising Australia’s North East Coast extensively. He is also an accomplished marine watercolour painter and ship modeller and a fine technical draughtsman. His beautiful linework is a highlight of this book.