9783642022692 | Springer-Verlag New York Inc, July 1, 2009, cover price $79.95 | About this edition: This book constitutes the refereed proceedings of the Third International Frontiers of Algorithmics Workshop, FAW 2009, held in Hefei, Anhui, China, in June 2009.

9780321455369, titled "Introduction to Automata Theory, Languages, And Computation" | Addison-Wesley, July 8, 2006, cover price $122.80 | About this edition: This classic book on formal languages, automata theory, and computational complexity has been updated to present theoretical concepts in a concise and straightforward manner with the increase of hands-on, practical applications.

9780321462251, titled "Introduction to Automata Theory, Languages, And Computation" | 3 edition (Addison-Wesley, July 8, 2006), cover price $151.00 | About this edition: This classic book on formal languages, automata theory, and computational complexity has been updated to present theoretical concepts in a concise and straightforward manner with the increase of hands-on, practical applications.

9780201441246, titled "Introduction to Automata, Theory, Languages and Computation" | 2 edition (Addison-Wesley, June 1, 2001), cover price $131.20 | About this edition: It has been more than 20 years since this classic book on formal languages, automata theory, and computational complexity was first published.

9780201029888 | Addison-Wesley, April 1, 1979, cover price $68.40 | About this edition: Amazon.

9780201000238 | Addison-Wesley, September 1, 1982, cover price $74.20 | About this edition: The authors' treatment of data structures in Data Structures and Algorithms is unified by an informal notion of "abstract data types," allowing readers to compare different implementations of the same concept.

9780201000290 | Addison-Wesley, June 1, 1974, cover price $71.60