To Open, or Not to Open
Subtitle: Featuring the Rule of 20 (Points Schmoints)
Publisher: Bergen Books
Published: July 2003
Language: eng
Format: Paperback
Number of pages: 64
ISBN-13: 9780971663688
Subjects: Games/Puzzles; Games; Games / Gamebooks / Crosswords; Card Games - Bridge; Bidding; Contract bridge
First sentence: It provides an easy but accurate method to determine if your hand is worth an opening bid.