This book gives extensive explanations of euchre strategies. It is organized as a reference document for easy topical access. The emphasis of the book is to explain optimal tactics for any situation. The book includes examples and the ideas have been verified using a specially written computer simulator to records thousands of hands for given scenarios and tabulate results to draw conclusions. Interactive software that uses and teaches the subject matter in this text is available through download.com. The title of that software is Euchre Challenge and Teacher.