General introduction to boron chemistry, by E. L. Muetterties--Elementary boron and compounds of high boron content: structure, properties, and polymorphism, by J. L. Hoard and R. E. Hughes.--The structural chemistry of the borates, by J.O. Edwards and V.F. Ross.-The structure and acidity of boric acid, and their relation to reaction mechanisms, by R.P. Bell, J.O. Edwards, and R.B. Jones.- Boron hydrides, by M.F. Hawthorne.-Boron halides, by G. Urry.- The chemistry of boron-nitrogen compounds, by K. Niedenzu and J.W. Dawson.- Boron-carbon compounds, by M.F. Lappert.- Boron-phosphorous compounds, by G.W. parshall.-Sulfur and selenium compounds of boron, by E.L. Muetterties