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Optical Formulas Tutorial - 2nd Edition by Ellen D Stoner (Paperback)

Computers and Intractability - (Series of Books in the Mathematical Sciences) by M Garey & D Johnson (Paperback)

Survival Analysis Using SAS - 2nd Edition by Paul D Allison (Paperback)

The Little SAS Enterprise Guide Book - by Susan J Slaughter & Lora D Delwiche (Paperback)

God's Empowering Presence - by Gordon D Fee (Paperback)

Shark Navigator Lift-Away Deluxe Upright Vacuum NV360 9.5" Cleaning Path Blue

BISSELL CleanView Compact Upright Vacuum 10" Cleaning Path Pet Hair Pick-Up

Shark Matrix Plus 2-in-1 Cordless Robot Vacuum & Mop RV2610WA 10" Cleaning Path Black

Dirt Devil Vibe 3-in-1 Corded Stick Vacuum Cleaner with Removable Hand Held Vacuum: Lightweight, Bagless, Multi-Surface, Red

iRobot Roomba 105 Combo Cordless Vacuum & Mop Y354020 5.8" Cleaning Path Black

BISSELL CleanView Compact Turbo Upright Vacuum 10" Cleaning Path Black: Bagless, Multi-Surface, Pet Hair, Lightweight, 25ft Cord, 2-Year Warranty

Shark Navigator Swivel Pro Upright Vacuum NV181 12" Cleaning Path Red

iRobot Roomba 105 Cordless Vacuum Q312020 5.8" Cleaning Path Black