Eureka! 81 Key Ideas Explained

Used - Very Good. Used book that is in excellent condition. May show signs of wear or have minor defects.

Barnes & Noble Books, 1999. Hardcover . Used Good. We carry new and used books in our storefront. We want you to be satisfied with your purchase. Please contact us if you have questions regarding this item.

New York: Barnes & Noble, 1994. 7th ptg thus . Hardcover. Near Fine/Near Fine. Black cloth spine w/ deep olive bds. No names, clean text. Index. With art by Tom Lulevitch; Curtis Tow Graphics dust jacket. 253 pgs

Barnes & Noble Books. Used - Like New. Like New condition. Very Good dust jacket. A near perfect copy that may have very minor cosmetic defects.

Barnes & Noble Books, 1999. Hardcover. Like New. Pages are clean and are not marred by notes or folds of any kind. ~ ThriftBooks: Read More, Spend Less.Dust jacket quality is not guaranteed.

Barnes and Noble, 1999. Hardcover. As new/as new. Barnes and Noble, c1999. illustrations Tom Lulevitch. sm. 8vo. As new hardcover, as new d/j.

Barnes & Noble Books. Barnes & Noble Books 1994, Hardcover. Book is bright, clena and unmarked.. Book condition: Very Good Jacket Condition: Very Good . 1994. HARDCOVER.

Paperback. Good.

hardcover. Good. Access codes and supplements are not guaranteed with used items. May be an ex-library book.

Barnes & Noble Books. Hardcover. Used - Good.

Barnes and Noble. Very Good/Very Good. 1994. Hard Cover. (S64) .

Barnes & Noble Books. Used - Very Good. Very Good condition. Very Good dust jacket. With remainder mark. A copy that may have a few cosmetic defects. May also contain light spine creasing or a few markings such as an owner’s name, short gifter’s inscription or light stamp.

Barnes & Noble Books, 1999. Hardcover. Acceptable. Missing dust jacket; Readable copy. Pages may have considerable notes/highlighting. ~ ThriftBooks: Read More, Spend Less.Dust jacket quality is not guaranteed.

Barnes & Noble Books, 1999. Hardcover. Like New. Former library book; Pages are clean and are not marred by notes or folds of any kind. ~ ThriftBooks: Read More, Spend Less.Dust jacket quality is not guaranteed.