Simplify the following text for a Grade 7 native English-speaking person.
Original: In the meantime , in 1773 , he published an account of the voyage as part of An Account of the Voyages undertaken by Byron , Wallis , Carteret and Cook , but that volume 's editor John Hawkesworth made changes to his account and so Carteret produced a version of his own ( which , however , only got published in 1965 , by the Hakluyt Society ) .
Simplified: He was put on half pay , and in 1773 , he wrote the story of the voyage as part of a book about the voyages of Byron , Wallis , Carteret and Cook . The book 's editor John Hawkesworth , made changes to the story , so Carteret wrote his own book which was not printed until 1965 .