Buy vs Rent: We recommend you Buy
This compares the total cost of owning the book (cheapest buy price minus the best sell-back offer today) with the cheapest rental.
VS
Disclaimer: These calculations are based on the current advertised price. Your results will vary depending on several factors, including the condition of the book and the advertised price at the time of sale.
| Store | Condition | Coupons & Deals | Price | Shipping | Total | |
|---|---|---|---|---|---|---|
| eCampus (Marketplace) Used (Marketplace) |
Used (Marketplace) |
$16.55 as of Oct 20, 2026, 10:14 AM ET |
$3.97 | |||
| RedShelf eTextbook (RedShelf) |
eTextbook (RedShelf) |
$26.25 as of Oct 20, 2026, 10:14 AM ET |
FREE | |||
| Knetbooks Used |
Used | $28.08 as of Oct 20, 2026, 10:14 AM ET |
at checkout | |||
| Knetbooks Quarter Rental (59 days, due 12/18/2026) |
Quarter Rental (59 days, due 12/18/2026) |
$33.11 as of Oct 20, 2026, 10:14 AM ET |
at checkout | |||
| BiggerBooks New |
New | $38.57 as of Oct 20, 2026, 10:14 AM ET |
at checkout | |||
| Knetbooks New |
New | $38.77 as of Oct 20, 2026, 10:14 AM ET |
at checkout | |||
| eCampus 1825 Day eBook (expires 10/19/2031) |
1825 Day eBook (expires 10/19/2031) |
$40.50 as of Oct 20, 2026, 10:14 AM ET |
FREE | |||
| BiggerBooks 1825 Day eBook (expires 10/19/2031) |
1825 Day eBook (expires 10/19/2031) |
$40.50 as of Oct 20, 2026, 10:14 AM ET |
FREE | |||
| eCampus New |
New | $38.96 as of Oct 20, 2026, 10:14 AM ET |
$3.97 | |||
| Store | Condition | Coupons & Deals | Price | Shipping | Total | |
|---|---|---|---|---|---|---|
| eCampus (Marketplace) Used (Marketplace) |
Used (Marketplace) |
$16.55 as of Oct 20, 2026, 10:14 AM ET |
$3.97 | |||
| Knetbooks Used |
Used | $28.08 as of Oct 20, 2026, 10:14 AM ET |
at checkout | |||
| Store | Condition | Coupons & Deals | Price | Shipping | Total | |
|---|---|---|---|---|---|---|
| BiggerBooks New |
New | $38.57 as of Oct 20, 2026, 10:14 AM ET |
at checkout | |||
| Knetbooks New |
New | $38.77 as of Oct 20, 2026, 10:14 AM ET |
at checkout | |||
| eCampus New |
New | $38.96 as of Oct 20, 2026, 10:14 AM ET |
$3.97 | |||
| Store | Condition | Coupons & Deals | Price | Shipping | Total | |
|---|---|---|---|---|---|---|
| Knetbooks Quarter Rental (59 days, due 12/18/2026) |
Quarter Rental (59 days, due 12/18/2026) |
$33.11 as of Oct 20, 2026, 10:14 AM ET |
at checkout | |||
| Store | Condition | Coupons & Deals | Price | Shipping | Total | |
|---|---|---|---|---|---|---|
| RedShelf eTextbook (RedShelf) |
eTextbook (RedShelf) |
$26.25 as of Oct 20, 2026, 10:14 AM ET |
FREE | |||
| eCampus 1825 Day eBook (expires 10/19/2031) |
1825 Day eBook (expires 10/19/2031) |
$40.50 as of Oct 20, 2026, 10:14 AM ET |
FREE | |||
| BiggerBooks 1825 Day eBook (expires 10/19/2031) |
1825 Day eBook (expires 10/19/2031) |
$40.50 as of Oct 20, 2026, 10:14 AM ET |
FREE | |||
| Store | Condition | Payment Type | Offer | |
|---|---|---|---|---|
| eCampus Sell Back |
Sell Back | Check | ||
| Store | Condition | Coupons & Deals | Price | Shipping | Total | |
|---|---|---|---|---|---|---|
| VitalSource eBook |
eBook | Check price at VitalSource |
at checkout | |||
| Amazon New & used |
New & used | Check price at Amazon |
at checkout | |||
| AbeBooks Used & new (marketplace) |
Used & new (marketplace) | Check price at AbeBooks |
at checkout | |||
| SellBackBooks Sell back |
Sell back | Check price at SellBackBooks |
at checkout | |||
Prices checked Oct 20, 2026, 10:14 AM ET. Totals include shipping where the store lists it. As an Amazon Associate, CheapestTextbooks.com earns from qualifying purchases.
"This book comes at just the right time, as teachers are being encouraged to re-examine current approaches to science instruction." --Lynn Rankin, Director, Institute for Inquiry, Exploratorium "Easy to read and comprehend with very explicit examples, it will be foundational for classroom teachers as they journey from novice teacher of science to expert." --Jo Anne Vasquez, Ph.D., Past President of the National Science Teachers Association "Teaching Science for Understanding is a comprehensive, exquisitely written guide and well-illustrated resource for high quality teaching and learning of inquiry-based science." --Hubert M. Dyasi, Ph.D., Professor of Science, City College and City…
When you open this page we ask eCampus, Amazon, Knetbooks, BiggerBooks, VitalSource and RedShelf for their current prices on ISBN 9780325061597 and sort every offer by its total with shipping. Rental rows show the term (semester, quarter or short term) and that term goes with you to the store's cart, and eBook rows link straight to the 180-day or no-expiry option you picked. Prices are rechecked at least every 30 minutes, so confirm the total at checkout.
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