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RYA Training Almanac North contains practice navigation tables. Please note that this product is for training purposes only, and is not to be used for navigatio

The RYA Power Schemes Instructor Handbook comprehensively covers the entire process of training as an RYA Power Instructor. It includes information on the whole

Conservation Biology for All provides cutting-edge but basic conservation science to a global readership. A series of authoritative chapters have been written b

The oldest and most important treaitse of the post-Christian period on Indian Astronomy that has come down to us is the Surya Siddhanta consisting 14 chapters w