The booklet under review here, Traditional Knowledge Systems: Culture, Ecology and Ways of Knowing, is presented concise text written in simple language. The author has done an excellent work byassembling a vast amount of information on a generaltopic such as "Traditional knowledge" that wasacquired by the primitive people through trial anderrors over thousands of years. The pamphlet has beenforwarded by Mr. Vinay Lal. He sketches a bird-eyeview on traditional knowledge to catch glimpses of colonial era, past glory of developed nations andsignificance of indigenous knowledge of third worldcountries by citing number of examples from globalhistory. Further, he also emphasised the role playedby pamphlets in several mass awakening revolutionsin world history viz. class struggles in France,propagation of Marxist philosophy and so on and soforth.The next section deals with how the traditionalknowledge systems are mother of all sciences andtheir potential role in socio-economic development.The booklet has included some interesting examplesfrom UNESCO’s project named “Knowledge of Nature”. A fascinating example of traditionalknowledge of navigation of fisher folk of thePolynesian atolls has mentioned which helps them to navigate the vast Pacific Ocean. Being the native of Uttarkhand, the author has given several relevantexamples of indigenous knowledge from the statelike, architechature of water harvesting andpurification systems, discovery of modern drugs fromplants used in traditional medicinal systems, 1000 BCold iron smelting site near Almora, etc. In relation tosocio-economic development through traditionalknowledge the author has explained the enriched roleplayed by the traditional knowledge in thedevelopment of traditional medicines, Kumauni metallurgy, Gharats (water mills) and hydropowers inUttarakhand. Overall, the booklet has successfullyconveyed the message about the importance of conservation of traditional knowledge and itspotential role for socio-economic upliftment of ruralpeople. This interesting booklet is useful for anthropologists, ethnobiologists, students, teachers,policy makers and common man.