Great experience with OBO. Very professional attitude and respectful customer service. I needed some items exchanged and they not only agreed to exchange them, but also asked me to dispatch the books I had after I receive the books from them. This level of professional behaviour, trust in the customer, and cooperation will make me come to back to this page whenever I need books again. Thanks OBO !
Maryam Afzal
★★★★★GoogleStore review
Every single book is amazing! Thank you!! ☺️ Also, the delivery timing and order adjustments were impeccable!
Super speedy service! 👌
Thanks again! ✨ …
Areej Iqbal
★★★★★GoogleStore review
Thanks OBO. The books were amazing. I am really satisfied 😊. I will buy more books inshallah inshallah …
⚡ Order before 4 pm – same-day dispatch · 🚚 Rs 199, FREE over Rs 3,000 · 💵 Cash on Delivery
Environmental Science for CSS, PMS, PPSC is a comprehensive study guide designed for candidates preparing for Pakistan's competitive civil service examinations. The book covers the core environmental science topics that appear consistently in CSS, PMS, and PPSC syllabi, providing structured content aligned with the actual exam requirements.
The material addresses fundamental concepts in ecology, biodiversity, climate systems, pollution, resource management, and Pakistan-specific environmental issues. Each chapter builds progressively, moving from foundational principles to more complex applications relevant to the examination format. The book emphasizes the relationship between environmental science and public policy - a critical angle for civil service candidates who will be expected to understand environmental governance and its practical implications.
Designed for self-study and exam preparation, the guide includes key definitions, case studies, and conceptual frameworks that candidates need to recall under timed conditions. The content balances breadth (covering all major topic areas) with depth (exploring concepts thoroughly enough to answer multi-part questions).
Structured for CSS, PMS, and PPSC syllabi
Covers ecology, biodiversity, pollution, and climate science
Pakistan-focused environmental policy and issues
Exam-aligned content with conceptual depth
Self-study format with organized chapters
Available with Cash on Delivery across Pakistan. Order online and pay upon delivery nationwide.
Need a book we don't stock? We print any PDF as a book from Rs 3/page. Paperback, hardcover or spiral binding – paperback free for 300+ pages (+Rs 150 under 300 pages); hardcover +Rs 400. See printing rates
Ordering for a school, library or office? Bulk orders – or WhatsApp us for a quote.
FAQ
When will it arrive? Orders before 4 pm (Mon–Sat) are dispatched the same day; delivery takes 3–5 working days.
Can I pay on delivery? Yes, Cash on Delivery is available all over Pakistan.
What is the quality? This is an original publisher edition.
Any discount on more books? Buy 3 books: 5% off · Buy 5+: 10% off (books only), applied automatically at checkout.
I received the book within a week. The printing is neat and clear, and the page quality is excellent. I’m completely satisfied and will definitely shop here again.