The Nautical Almanac
The free online Nautical Almanac
The world's most complete source of free celestial navigation information

Books about sailing or navigation

  Sir Ernest Shackleton
THE Boss!  "Roll up your sleeping-bags, boys: the Boss may be coming today".

The South Pole  By- Roald Amundsen
Amundsen wrote the account of his expedition of five Norwegians first to reach The South Pole on December 14, 1911.
Amundsen was truly the greatest explorer of the 20th century.

Endurance; an epic of polar adventure   By Frank Worsley
Worsley is THE man that saved the Shackleton expedition. Had it not been for his ability to navigate the ferocious South Atlantic to South Georgia island none of the Shackleton expedition would have survived.

The American Ephemeris And Nautical Almanac For The Year 1916

USNO version of The Nautical Almanac useful in comparing to Captain Frank Worsley's of the Shackleton Expedition.  It is assumed the Worsley was using The Nautical Almanac published by the British Hydrographic Office.

Download by "right click" is recommended as the file is 55 meg in size.

Sailing Alone Around the World by Joshua Slocum
Slocum was the first solo-circumnavigator finishing his voyage in 1898.

The eventful history of the mutiny and piratical seizure of H.M.S. Bounty : its cause and consequences
by Barrow, John, Sir, 1764-1848

Greenwich Time and the discovery of the Longitude

by Derek Howse

Longitude: The True Story of a Lone Genius Who Solved the Greatest Scientific Problem of His Time
by Dava Sobel

This is the story of John Harrison (1693– 24 March 1776)- the inventor of the marine chronometer.  Without his invention of the chronometer none of us would really know where we are.

Sextant: A Young Man's Daring Sea Voyage and the Men Who Mapped the World's Oceans
By David Barrie

A New and Accurate Method of Finding a Ship's Position at Sea, by Projection on Mercator's Chart
By Capt. Thomas H. SumnerJuly 1843, Thomas Groom & Company of Boston

We are all in indebted to Captain Sumner for his excellent work.

Here's to the memory of those great men!
Fair winds!