Gecko Boy is a sci-fi for age group 9-14. The story is unique because of nanotechnology. Kids and teenagers will be aware of nanotechnology after reading this book.

Mole is always a subject of interest for all chemistry students. Some find it easy in the first go, but, some have to struggle to get the innermost concept. I tried to make this short book interesting and helpful for chemistry examination preparation and lab. activities.

This book presents recently-developed crop, soil, and management practices that can be used to improve phosphorous use efficiency in agriculture. Food security highly depends on the availability of plant nutrients such as phosphorus, yet rock phosphate reserves are expected to be exhausted in the next 50–100 years. Moreover, about 80% of the phosphorous fertilizers applied to soils become unavailable to plants due to phosphorous fixation in iron and aluminum oxides in acidic soils and with carbonates in alkaline soils. As a consequence, only 10-15% of applied phosphorous is up taken by...