"Introducing Ethereum and Solidity" by Chris Dannen is a nonfiction textbook published in 2017 by Apress L. P. The book covers the subject area of computers, specifically focusing on the programming languages used in Ethereum and Solidity. It is aimed at individuals interested in programming languages, management information systems, and the open-source programming community. With a focus on web design and development, the book provides a comprehensive introduction to the world of Ethereum and Solidity programming.