BOOK OF THE WEEK WAVEWALKER: BREAKING FREE  by Suzanne Heywood (William Collins £20, 416pp) When seven-year-old Suzanne Heywood (nee Cook dinner) was knowledgeable by her father one morning over breakfast in 1976 that she, her five-year-old brother Jon and their mother and father Gordon and Mary had been going to sail around the world, retracing their namesake Captain Cook dinner’s voyage, ‘the spoonful of cornflakes paused on the best way to my mouth’, she remembers. Her father’s bombshell announcement was thrilling, nevertheless it meant she was going to need to say goodbye to her greatest pal Sarah, and her beloved golden-haired spaniel Rusty. Suzanne was seven when she was knowledgeable…