Nuclear Superfluidity. Pairing in Finite Systems,by D.M. Brink and R.A. Broglia

Introduction to High Energy Physics. By D. H. Perkins. (Addison-Wesley, 1972.) Pp. xiii + 353.] £4.30. Scope: Textbook. Level: Postgraduate. undergraduate.

Fundamentals of Aeronomy. By R. C. Whitten and I. G. Poppoff. (John Wiley, 1971). Pp. xiv+446.] £7.00. Scope: Treatise/textbook. Level: Specialist/postgradute; undergraduate (3rd year).

Statistical Physics. By F. Mandl. (John Wiley &; Sons Ltd., 1971.) Pp. xiii+379.] £2.75 (paper only). Scope: Textbook. Level: Undergraduate.

Basic Theory of Lasers and Masers. By J. Vanier. (Gorden &; Breach, 1971.) Pp. xii+115.] Cloth £4.75; paper £2.25. Scope: Treatise. Level: For specialists only; specialist/postgraduate.

Concepts of Classical Mechanics. By L. R. B. Elton. (McGraw-Hill, 1971.) Pp. xvii+177.] £2.60. Scope: Textbook. Level: Undergraduate.

College Physics. By E. Gillam and R. M. King. (Macdonald &; Evans Ltd., 1971.) Volume 1. Pp. xvii+ 390.] £1.15. Volume 2. Pp. xvii+404.] £1.25. Scope: Textbook. Level: Undergraduate.

Physical Science for Liberal Arts Students. By Hugo N. Swenson and J. E. Woods. (John Wiley &; Sons Ltd., 1971.) Pp. viii+361.] £5.00. Scope: Textbook. Level: Undergraduate.

Natural Philosophy Through the Eighteenth Century. Edited by Allan Ferguson. (Taylor and Francis, 1972.) Pp. vii+164.] £5.00.

Recent Advances in Plasma Diagnostics. Vol 1. Edited by V. T. Tolok. (Consultants Bureau, 1971.) Vol. 1: vi+130.] $25.20. Vol. 2: vi+105.] $25.20. Vol. 3. vi+73.] Level: For specialists only.

Astronomy. By E. G. Ebbighusen. (Prentice Hall International, 1971.) Pp. vii+ 150.] £1.00. Scope: Textbook. Level: Undergraduate; school.

Solid State Electronics. Edited by Edwin R. Jones. (Intertext Group of Publishers, 1971.) Pp. x+398.] £5.50. Scope: Textbook. Level: Undergraduate.

Electronic Energy Bands in Solids. By L. Pincherle. (Macdonald, 1971.) Pp. vi+196.] £4.00. Scope: Textbook. Level: postgraduate.

Advances in Nuclear Physics. Edited by Michel Baranger and Erich Vogt. (Plenum Press. 1971.) Pp. xvi+448.] $2040. Scope: Survey. Level: Specialist/postgraduate.

Photophysics of Arowmtic Molecules. By J. B. Birks. (Wiley-Interscience, London). Pp. xiii+704.] £10.50. Scope: Treatise. Level: Postgraduate.

Quench Hardening in Metals. By H. Kimura and R. Maddin. (North-Holland Publishing Company., 1971.) Pp. ix+124.] $10.00. Scope: Treatise. Level: Specialist/postgraduate; undergraduate.

Thermodynamic Diagrams for High Temperature Plasmas of Air, Air-Carbon, Carbo-Hydrogen Mixtures, and Argon. By H. Kroepelin, K-K Neumann, K-U. Hoffmann and R. Kuthe. (Pergamon, 1971.) Pp. xii+184.] £7.30. Scope: Library. Level: For specialists only.

The Plasma State. By Juda Leon Shohet. (Academic Press, 1971.) Pp. viii+333.] £6.30. Scope: Treatise/textbook. Level: Specialist/postgraduate.

Kinetic Equations. Edited by R. L. Liboff and N. Rostoker. (Gordon and Breach, 1971.) Pp. xv+346.] £8.16. Scope: Conference proceedings. Level: Specialist/postgraduate.

Hadronic Interactions of Electrons and Photons. Edited by J. Cummwa and H. Osbobn. Academic Press 1971.) Pp. xvi+653.] £10.50. Scope: Conference Proceedings. Level: Postgraduate.

Concepts in Hadron Physics. Edited by P. Urbau. (Vienna and New York: Springer-Verlag, 1971.) Pp. xv+424.] $26.40. Scope: Conference proceedings. Level: Specialist/postgraduate.

Certificate Physics. (SI Edition.) By C. W. Kearsey. (Longman, 1971.) Pp. 383.] £1.16. Scope: Textbook. Level: School (O Level plus).

Force in Newton's Physics. By R. S. Westfall. (Macdonald, London; American Elsevier, New York, 1971.) Pp. xii+579.] £10. Scope: Survey. Level: Specialist/post-graduate.

Elementary Quantum Mechanics. ByN. F. Mott. (Wykeham Publications (London) Ltd., 1972.) Pp. viii+ 122.] Cloth £2.75; Paper £2. Scope: Textbook. Level: Undergraduate.

Electron Optics and Electron Microscopy. By P. W. Hawkes. (Taylor and Francis, London, 1972.) Pp. xv+244.] £5. Scope: Textbook. Level: Specialist/postgraduate.

Selected Papers by Cecil Frank Powell. Edited by E. H. S. Burhop, W. O. Look and M. G. K. Menon. (North-Holland, 1972.) Pp. xiii+455.] Dft 80.00, $25.00. Scope: Library. Level: General reader.

Rare Earths and Actinidea. (Conference Digest No. 3.) (The Institute of Physics, 1971.) Pp. viii+ 252.] Scope: Conference proceedings. Level: Specialist/postgraduate.