This book covers all you have to know about Weak-Two, Weak-Jump overcall and pre-emptive bids. This book explains in details with many examples and self-practices with answers to how to recognize, bid, and play Weak-Two and other preemptive hands like levels three and level four Opening the auction at level 2, 3 or even at level 4 are intended, among other things, to interfere the opponents to reach their best fit. The primary purposes of opening at level 2,3 or 4 are to describe the hand in one single bid: The strength and the number of cards in the bid suit. In this way you achieve several targets: a)You make difficulties to opponents to get the right contract. b)Your partner has an idea regarding your hand distribution and strength. On the other hand, they may be a boomerang against you and your partner if you are not careful to calculate the number of your sure tricks given the vulnerability.