USPS Media mail rates:
  Effective January 14, 2024

Up to 1 pound.......................................$4.63
More than 1 pound, less than 2 pounds....... 5.38
More than 2 pounds, less than 3 pounds....6.13
More than 3 pounds, less than 4 pounds.....6.88
More than 4 pounds, less than 5 pounds....7.63
More than 5 pounds, less than 6 pounds.....8.38
More than 6 pounds, less than 7 pounds.....9.13
More than 7 pounds, less than 8 pounds.....9.88
More than 8 pounds, less than 9 pounds.....10.63
More than 9 pounds, less than 10 pounds....11.38

Rates in blue are the most common postage rates for single-book shipments.