Preço unitário e de referência, pode variar de livro para livro, comprador paga portes, 3, 6, 17, 21, 24, 26, 32, 36, 37, 40, 42, 51, 52, 60, 76, 92************* 99, 100, 101, 102  103, 105, 106, 107, 108, 109, 110, 111, 113, 114, 118, 119, 122, 123, 126, 132, 133, 140, 141, 142, 143, 145, 150, 151, 152, 153, 154, 156, 157, 171, 176, 185, 188, 191*********** 208, 220, 224, 227, 240, 271, 272, 273, 275, 279, 283, 296*********** 327, 353, 360, 362, 366, 368, 380, 383, 384, 388, 392*********** 400, 403, 408, 411, 415, 416, 420, 424, 434, 436, 440, 442, 444, 446, 448, 450, 454, 456, 458, 460, 461, 462, 465, 468, 472, 474, 475, 478, 480, 481, 492*********** 506, 508, 511, 512, 515, 516, 517, 523, 524, 525, 528, 540, 549, 556, 557, 559, 560, 561, 562, 563, 565, 569, 570, 573, 574, 581, 585, 586, 587, 590, 698, 599, 601, 602, 604, 605, 607, 610, 614, 615, 617, 619, 622, 623, 625, 626, 629, 631, 633, 634, 635, 640, 643, 645, 647, 649, 652, 653, 655, 656, 658, 660, 662, 665, 666, 669, 675, 677, 680, 682, 683, 686, 687, 688, 690, 694