The book is based around the Millennium Seed Bank project which includes 80 countries and aims to store 25 per cent of the world’s plant species by 2020.
Fry's book explores how seed-bearing plants evolved, and unravels the science behind the seed. It also shows how scientists are working around the world to gather and bank seeds to save rare and valuable varieties from extinction.
Fry details wheat, corn, and rice, medicines, oils, clothing materials made from seed-bearing plants. She provides a history of the evolution of seeds, and the processes of dormancy, reproduction, germination, and dispersal, and showcases the work conservationists are doing today to gather and bank seeds in order to prevent species from going extinct.