| Title / Condition | Seller | Highlights | Price |
|---|---|---|---|
| Child's Conception of Number Piaget, Jean / Used - Hardcover | GreatBookPricesUK | As new | $645.56 |
| Child's Conception of Number Piaget, Jean / Used - Hardcover | GreatBookPrices | As new | $500.00 |
| The Child's Conception of Number (Jean Piaget Selected Works, Volume 2) PIAGET, JEAN / Used - Hardcover | Green Ink Booksellers | $139.43 | |
| The Child's Conception of Number Piaget, Jean / Used - Hardcover | PsychoBabel & Skoob Books | $68.32 | |
| The Child's Conception of Number Piaget, Jean / Used - Hardcover | Bookcase | 1st Edition | $55.77 |
| The Child's Conception of Number Piaget, J. / Used - Hardcover | Anybook.com | $52.33 |