US: temporary delays — postal services aligning new import rules, 
Europe: 1–2 weeks, 🌍 Worldwide: 1–4 weeks ✈️Loading...
Dorling Kindersley
This ultimate study guide to biology is a fantastic aid for coursework, homework, and test revision. Every topic, from reproduction to respiration and enzymes to ecosystems, is fully illustrated to support the information, make facts clear, and bring biology to life. For key ideas, "How it works" and "Look closer" boxes explain the theory with simple graphics. A handy "Key facts" box provides a summary for revision.