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year of pub­li­ca­ti­onISBNauthor(s)title
1996978-1-881999-00-3Sharon Tyler-WunderAirfare Secrets Exposed
1994978-1-881999-26-3Sharon Tyler · Matthew WunderAirfare Secrets Exposed: The How-To Resource Guide to the Absolute Lowest Fares on the Market
1995978-1-881999-34-8Eppie Epstein · Matthew Wunder · Nancy KellyCruise Secrets Exposed: The How to Resource Guide to the Best Values in Cruise Travel