– Pearson (or its current imprint) may sell an e‑book version. Look for “Pearson eText” or “Longman eBook” options. Some editions are also available on platforms like VitalSource or Google Play Books .

The textbook avoids sudden leaps in difficulty. A typical chapter introduces a concept through a historical or logical framework, provides a step-by-step proof of the governing theorem, demonstrates the concept with varied worked examples, and concludes with a massive problem set. Exhaustive Problem Sets

From first principles to advanced techniques, including integration by parts and substitution.

– Occasionally, authors upload older editions to institutional repositories (e.g., a university’s “ScholarWorks”). Check the author’s academic homepage or the repository of the institution where the Backhouses taught.