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• Observation Scientific method

Seller Description: Good. Signs of wear and consistent use. See More Details

Seller Description: Very Good condition book with a firm cover and clean pages. Shows normal use and some light wear or limited notes markings. A solid nice copy to enjoy. See More Details

Seller Description: Very good. May have limited writing in cover pages. Pages are unmarked. ~ ThriftBooks: Read More, Spend Less. See More Details

Seller Description: Good. Pages can have notes/highlighting. Spine may show signs of wear. ~ ThriftBooks: Read More, Spend Less. See More Details

Seller Description: Good. Pages can have notes/highlighting. Spine may show signs of wear. ~ ThriftBooks: Read More, Spend Less. See More Details

Seller Description: Very good. Connecting readers with great books since 1972! Used books may not include companion materials, and may have some shelf wear or limited writing. We ship orders daily and Customer Service is our top priority! See More Details

Seller Description: Very good. Connecting readers with great books since 1972! Used books may not include companion materials, and may have some shelf wear or limited writing. We ship orders daily and Customer Service is our top priority! See More Details

Seller Description: Supports Goodwill of Silicon Valley job training programs. The cover and pages are in Good condition! Any other included accessories are also in Good condition showing use. Use can include some highlighting and writing page and cover creases as well as other types visible wear. See More Details

Seller Description: Fine. Trade paperback (US). Glued binding. 320 p. Contains: Illustrations. In Stock. 100% Money Back Guarantee. Brand New, Perfect Condition, allow 4-14 business days for standard shipping. To Alaska, Hawaii, U.S. protectorate, P.O. box, and APO/FPO addresses allow 4-28 business days for Standard shipping. No expedited shipping. All orders placed with expedited shipping will be cancelled. Over 3, 000, 000 happy customers. See More Details

Seller Description: New. 2024. paperback......We ship daily from our Bookshop. See More Details

Seller Description: Fine. Trade paperback (US). Glued binding. 320 p. Contains: Illustrations. In Stock. 100% Money Back Guarantee. Brand New, Perfect Condition, allow 4-14 business days for standard shipping. To Alaska, Hawaii, U.S. protectorate, P.O. box, and APO/FPO addresses allow 4-28 business days for Standard shipping. No expedited shipping. All orders placed with expedited shipping will be cancelled. Over 3, 000, 000 happy customers. See More Details

Seller Description: New. Trade paperback (US). Glued binding. 320 p. Contains: Illustrations. In Stock. 100% Money Back Guarantee. Brand New, Perfect Condition, allow 4-14 business days for standard shipping. To Alaska, Hawaii, U.S. protectorate, P.O. box, and APO/FPO addresses allow 4-28 business days for Standard shipping. No expedited shipping. All orders placed with expedited shipping will be cancelled. Over 3, 000, 000 happy customers. See More Details

Seller Description: New. Trade paperback (US). Glued binding. 320 p. Contains: Illustrations. See More Details

Seller Description: New. Special order direct from the distributor. See More Details

Seller Description: New. Trade paperback (US). Glued binding. 320 p. Contains: Illustrations. In Stock. 100% Money Back Guarantee. Brand New, Perfect Condition, allow 4-14 business days for standard shipping. To Alaska, Hawaii, U.S. protectorate, P.O. box, and APO/FPO addresses allow 4-28 business days for Standard shipping. No expedited shipping. All orders placed with expedited shipping will be cancelled. Over 3, 000, 000 happy customers. See More Details

Seller Description: Good. Access codes and supplements are not guaranteed with used items. May be an ex-library book. See More Details

Seller Description: New. See More Details

Seller Description: Very good. Pages are clean with no markings. May show minor signs of wear or cosmetic defects marks cuts bends or scuffs on the cover spine pages or dust jacket. May have remainder marks on edges. See More Details

Seller Description: Book is considered to be in good or better condition. The actual cover image may not match the stock photo. Hard cover books may show signs of wear on the spine cover or dust jacket. Paperback book may show signs of wear on spine or cover as well as having a slight bend curve or creasing to it. Book should have minimal to no writing inside and no highlighting. Pages should be free of tears or creasing. Stickers should not be present on cover or elsewhere and any CD or DVD expected with the book ... See More Details

Seller Description: Book is in very good condition and may include minimal underlining highlighting. The book can also include From the library of labels. May not contain miscellaneous items toys dvds etc. We offer 100% money back guarantee and 24 7 customer service. See More Details