A revised and updated edition of Stepping Stones: The Making of Our Home World by Steve Drury, first published in 1999, has been released as a free eBook on the book’s web site https://earthstep.wordpress.com/. The revision incorporates the hundreds of commentaries on geoscientific advances written since 2000 by Steve for earth-pages. It is a personal view of the evolution of the Earth System and the emergence of humanity from it. First published by Oxford University Press, Stepping Stones was widely acclaimed by  fellow Earth scientists and general readers.