| Title / Condition | Seller | Highlights | Price |
|---|---|---|---|
| Child's Conception of Number Piaget, Jean / Used - Hardcover | GreatBookPrices | As new | $685.48 |
| Child's Conception of Number Piaget, Jean / Used - Hardcover | GreatBookPricesUK | As new | $666.95 |
| The Child's Conception of Number (Jean Piaget Selected Works, Volume 2) PIAGET, JEAN / Used - Hardcover | Green Ink Booksellers | $139.53 | |
| The Child's Conception of Number Piaget, Jean / Used - Hardcover | PsychoBabel & Skoob Books | $68.37 | |
| The Child's Conception of Number Piaget, Jean / Used - Hardcover | Bookcase | 1st Edition | $55.81 |
| The Child's Conception of Number Piaget, J. / Used - Hardcover | Anybook.com | $52.37 |