This book continues to provide information and photos relating to other 100 species of 51 plant families; all six volumes give information for 700 species of 110 plant families, as well as 96 photos of published species for updating information. Beside common timber tree species, the book also provides information for some rare, precious tree species, the book also provides information for some rare, precious tree species, some medicinal species, some newly discovered bamboo species, some strange plants and ornamental plants.