The book "Thirty Years' Voyage; or, A Voice from the Main Deck. The Experience of Samuel Leach" is a fascinating travel sketch written by the hero himself and authentically reproduces his experiences. Samuel Leach, a young American, is forced to serve on a British ship - the frigate "McDonogh" during the War of 1812. The book tells about his adventures, encounters with different cultures and dangers of sea life during his long stay on the ship. Readers get the opportunity to learn about life on a ship in the 19th century first-hand, feel the atmosphere of the sea and war, and deepen their understanding of history.