[BIOL102] Life:The Science of Biology Tenth Edition Volume 3 by Sadava,Hillis,Heller,Berenbaum

$50 | offer | BIOL |

[BIOL101] Campbell Biology, second custom edition for UPenn by Reece,Urry,Cain, Wasserman, Minorsky, Jackson

$50 | offer | BIOL |

[Phys101 and phys102] Principles with Applications by Douglas C. Giancoli

$60 | offer | PHYS |

[PSYCH 001] The Norton Psychology Reader by Gary Marcus

$5 | offer | PSYC |

[WRIT 030-311] The Irresistible Fairy Tale by Jack Zipes

$5 | offer | WRIT |

[MATH 103/MATH104/MATH114] Thomas' Calculus Early Transcendentals: Revised Custom Edition for the University of Pennsylvania by Thomas, Weir, Hass

$20 | offer | MATH |

[OIDD319] Agents Games and Evolution by Steven Kimbrough

$15 | offer | OPIM |

[HCMG101] Health Policy Issues by Paul Feldstein

$40 | offer | HCMG |

[biol 101] Biology Second Custom Edition for UPenn by Reece, Urry, Cain, Wasserman, Minorsky, Jackson

$35 | offer | BIOL |

[PHYS 140&150 / MEAM 110] University Physics Study Guide & Solutions Manual by Hugh D. Young, Roger A. Freedman

$15 | offer | PHYS |