Sailing Alone Around the World

Joshua Slocum completed the first recorded solo circumnavigation in 1895-98. Instead of using a chronometer to determine the time for latitude calculations, he relied almost entirely on traditional dead-reckoning for navigation. His book Sailing Alone Around the World chronicles the historic 46,000-mile voyage aboard which boat?
A) Joshua
B) The Spray
C) Beagle
D) American Promise