A handy, pocket-sized, comprehensive guide showcasing the rich diversity of reptile life across one of Australia's most urbanised landscapes. Spanning from coastal headlands to upland plateaus, the book explores more than 70 species found within Sydney and its surrounding regions, including the Illawarra, Blue Mountains, Southern Highlands and Central Coast. Designed for residents, naturalists, students and bushwalkers, the guide introduces readers to the reptiles that inhabit our parks, gardens, reserves and waterways. It outlines five key ecological zones and highlights how habitat type, urban development and seasonal conditions influence reptile activity and distribution. Each species account includes clear ID features, seasonal activity patterns, preferred habitats, conservation status and fascinating behavioural notes. The guide balances scientific accuracy with accessibility, offering insights into both common backyard lizards and rare conservation priorities like the Broad-headed Snake and Blue Mountains Water Skink. Whether you're spotting a blue-tongue in your garden or hiking bush tracks in the region, this book equips you to better understand and appreciate Sydney’s scaly inhabitants.