While you cannot technically buy "half a book" of stamps , you can achieve the same result by purchasing (up to 10) or smaller panes at specific locations. A standard booklet in the U.S. contains 20 stamps. Where to Buy Fewer Than 20 Stamps
Most major retailers only sell stamps in to maintain efficiency at checkout. You typically cannot buy single stamps or partial books at: How Many Postage Stamps are in a Book? can you buy half a book of stamps
: This is the most reliable place to buy any quantity of stamps. You can stand in line and purchase exactly one stamp or any other irregular number. While you cannot technically buy "half a book"