The book "Mites Injurious to Economic Plants" by Lee R. Jeppson, Hartford H. Keifer, and Edward W. Baker provides an authoritative overview of mites (Acarina) that cause damage to economically important plants. It covers the general systematics, biology, and distribution of phytophagous mites, their role in plant disease transmission, and methods for control. The authors also present unpublished information and include taxonomic keys to economic species and the Eriophyoidae genera. The book is 528 pages long and costs £13.75. This second edition of "General Viticulture" by A. J. Winkler, Lloyd A. Lider, W. M. Kliewer, and James A. Cook is a comprehensive guide to modern viticulture, based on extensive experimental research. It covers propagation, training, pruning, cultivation, irrigation, soil management, diseases, pests, and harvesting. New material includes vine structure, physiology, grape development, quality improvement, and new pruning systems. The authors are from the University of California, Davis, a renowned research center. The book is 720 pages long and costs £15.10. "Milking and Beef Production in the Tropics" by M. A. Barrett and P. J. Larkin is a practical guide for students and farmers in tropical agriculture, animal production, and range management. It focuses on milk and meat production from cattle, covering both practices and principles. The book is illustrated and costs £5.50 for paper covers and £2.75 for cloth covers. "Agricultural Machinery" by A. G. Harris, T. B. Muckle, and J. A. Shaw addresses the increasing technological changes in modern farming. It covers principles and their application in farm situations, with updates including metric units and a new chapter on material handling. The second edition is revised and updated, and costs £3.50 for paper covers.The book "Mites Injurious to Economic Plants" by Lee R. Jeppson, Hartford H. Keifer, and Edward W. Baker provides an authoritative overview of mites (Acarina) that cause damage to economically important plants. It covers the general systematics, biology, and distribution of phytophagous mites, their role in plant disease transmission, and methods for control. The authors also present unpublished information and include taxonomic keys to economic species and the Eriophyoidae genera. The book is 528 pages long and costs £13.75. This second edition of "General Viticulture" by A. J. Winkler, Lloyd A. Lider, W. M. Kliewer, and James A. Cook is a comprehensive guide to modern viticulture, based on extensive experimental research. It covers propagation, training, pruning, cultivation, irrigation, soil management, diseases, pests, and harvesting. New material includes vine structure, physiology, grape development, quality improvement, and new pruning systems. The authors are from the University of California, Davis, a renowned research center. The book is 720 pages long and costs £15.10. "Milking and Beef Production in the Tropics" by M. A. Barrett and P. J. Larkin is a practical guide for students and farmers in tropical agriculture, animal production, and range management. It focuses on milk and meat production from cattle, covering both practices and principles. The book is illustrated and costs £5.50 for paper covers and £2.75 for cloth covers. "Agricultural Machinery" by A. G. Harris, T. B. Muckle, and J. A. Shaw addresses the increasing technological changes in modern farming. It covers principles and their application in farm situations, with updates including metric units and a new chapter on material handling. The second edition is revised and updated, and costs £3.50 for paper covers.