Illustrations: 1.A desires to make a binding promise to give $1000 to his son B.Being advised that a gratuitous promise is not binding,A offers to buy from B for $1000 a book worth less than $1.B accepts the offer knowing that the purchase of the book is a mere pretense. There is no consideration for A's promise to pay$1000. 制卧价赏易大岸 1951Illustrations: z 1. A desires to make a binding promise to give $1000 to his son B. Being advised that a gratuitous promise is not binding, A offers to buy from B for $1000 a book worth less than $1. B accepts the offer knowing that the purchase of the book is a mere pretense. There is no consideration for A's promise to pay $1000