The book Alfred Russell Wallace: Letters and Memoirs, Volume 2 is a unique collection of letters and memoirs of the eminent naturalist and explorer Alfred Russell Wallace. In the second volume of this book, you will find information that was previously unknown to a wide audience, as well as new discoveries and reflections of the author about nature, made in different periods of his life. The memoirs that are included in the book reveal not only Wallace's scientific activities, but also his personal thoughts, reflections, and attitudes to important events of his time. This book will be a valuable resource for anyone interested in the history of science and the great figures of natural science.