64893. 1992 Seville Universal Exposition Theme Pavilion.   Nature.   Icona, Universidad de Barcelona, 1992, , 191 pages packed with illustrations.   Soft bound, usual edge wear, text in very good condition.   in English.   $15.00

61043. A Scientific American Book.   The Biosphere.   W. H. Freeman and Company, 1970, , 134 pages packed with illustrations.   Softbound, usual signs of use, text in very good condition.    $8.00

88103. A.M. I.   Argonauta, The International Journal of Malacology.   Associazione Malacologica Internazionale, Rome, Italy, 1985, Argonauta, Volume 1, Number 1 : .   Softbound, some cover wear, text in very good condition.   in Italian and English.   $8.00

88112. A.M. I.   Argonauta, The International Journal of Malacology.   Associazione Malacologica Internazionale, Rome, Italy, 2000, Argonauta, Volume 14, Number 2 : .   Softbound, minor signs of use, text in very good condition.   in English.   $15.00

88111. A.M. I.   Argonauta, The International Journal of Malacology.   Associazione Malacologica Internazionale, Rome, Italy, 2000, Argonauta, Volume 14, Number 1 : .   Softbound, minor signs of use, text in very good condition.   in English.   $15.00

88109. A.M. I.   Argonauta, The International Journal of Malacology.   Associazione Malacologica Internazionale, Rome, Italy, 1999, Argonauta, Volume 13, Number 1 : .   Softbound, minor signs of use, text in very good condition.   in English.   $15.00

88104. A.M. I.   Argonauta, The International Journal of Malacology.   Associazione Malacologica Internazionale, Rome, Italy, 1985, Argonauta, Volume 1, Numbers 2-3 : .   Softbound, moisture stain to first few pages, good to good minus condition.   in Italian and English.   $8.00

88108. A.M. I.   Argonauta, The International Journal of Malacology.   Associazione Malacologica Internazionale, Rome, Italy, 1997, Argonauta, Volume 11, Number 1 : .   Softbound, minor signs of use, text in very good condition.   in English.   $9.00

81697. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 228, Number 4702.   Softbound, usual signs of use, text in very good condition.    $5.00

81696. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 228, Number 4701.   Softbound, usual signs of use, text in very good condition.    $5.00

81695. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 228, Number 4700.   Softbound, usual signs of use, text in very good condition.    $5.00

81694. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 228, Number 4699.   Softbound, usual signs of use, text in very good condition.    $5.00

81693. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 228, Number 4698.   Softbound, usual signs of use, text in very good condition.    $5.00

81692. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 228, Number 4697.   Softbound, usual signs of use, text in very good condition.    $5.00

81691. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 228, Number 4696.   Softbound, usual signs of use, text in very good condition.    $5.00

81690. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 228, Number 4695.   Softbound, usual signs of use, text in very good condition.    $5.00

81689. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 227, Number 4694.   Softbound, usual signs of use, text in very good condition.    $5.00

81688. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 227, Number 4693.   Softbound, usual signs of use, text in very good condition.    $5.00

81687. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 227, Number 4692.   Softbound, usual signs of use, text in very good condition.    $5.00

81671. AAAS.   Science.   American Association for the Advancement of Science, 1984, Science, Volume 226, Number 4677.   Softbound, usual signs of use, text in very good condition.    $5.00

81674. AAAS.   Science.   American Association for the Advancement of Science, 1984, Science, Volume 226, Number 4680.   Softbound, usual signs of use, text in very good condition.    $5.00

81676. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 227, Number 4682.   Softbound, usual signs of use, text in very good condition.    $5.00

81675. AAAS.   Science.   American Association for the Advancement of Science, 1984, Science, Volume 226, Number 4681.   Softbound, usual signs of use, text in very good condition.    $5.00

81702. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 228, Number 4707.   Softbound, usual signs of use, text in very good condition.    $5.00

81685. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 227, Number 4691.   Softbound, usual signs of use, text in very good condition.    $5.00

81684. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 227, Number 4690.   Softbound, usual signs of use, text in very good condition.    $5.00

81683. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 227, Number 4689.   Softbound, usual signs of use, text in very good condition.    $5.00

81682. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 227, Number 4688.   Softbound, usual signs of use, text in very good condition.    $5.00

81681. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 227, Number 4687.   Softbound, usual signs of use, text in very good condition.    $5.00

81680. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 227, Number 4686.   Softbound, usual signs of use, text in very good condition.    $5.00

81679. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 227, Number 4685.   Softbound, usual signs of use, text in very good condition.    $5.00

81678. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 227, Number 4684.   Softbound, usual signs of use, text in very good condition.    $5.00

81677. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 227, Number 4683.   Softbound, usual signs of use, text in very good condition.    $5.00

81672. AAAS.   Science.   American Association for the Advancement of Science, 1984, Science, Volume 226, Number 4678.   Softbound, usual signs of use, text in very good condition.    $5.00

81710. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 229, Number 4715.   Softbound, usual signs of use, text in very good condition.    $5.00

81727. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 230, Number 4731.   Softbound, usual signs of use, text in very good condition.    $5.00

81726. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 230, Number 4730.   Softbound, usual signs of use, text in very good condition.    $5.00

81725. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 230, Number 4729.   Softbound, usual signs of use, text in very good condition.    $5.00

81723. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 230, Number 4727.   Softbound, usual signs of use, text in very good condition.    $5.00

81722. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 230, Number 4726.   Softbound, usual signs of use, text in very good condition.    $5.00

81721. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 230, Number 4725.   Softbound, usual signs of use, text in very good condition.    $5.00

81720. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 230, Number 4724.   Softbound, usual signs of use, text in very good condition.    $5.00

81719. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 230, Number 4723.   Softbound, usual signs of use, text in very good condition.    $5.00

81718. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 230, Number 4722.   Softbound, usual signs of use, text in very good condition.    $5.00

81717. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 230, Number 4721.   Softbound, usual signs of use, text in very good condition.    $5.00

81716. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 230, Number 4721.   Softbound, usual signs of use, text in very good condition.    $5.00

81700. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 228, Number 4705.   Softbound, usual signs of use, text in very good condition.    $5.00

81714. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 229, Number 4718.   Softbound, usual signs of use, text in very good condition.    $5.00

81698. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 228, Number 4703.   Softbound, usual signs of use, text in very good condition.    $5.00

81709. AAAS.   Science.   American Association for the Advancement of Science, 1985, Science, Volume 229, Number 4714.   Softbound, usual signs of use, text in very good condition.    $5.00