Mathematical Proofs: A Transition to Advanced Mathematics, Third Edition, prepares students for the more abstract mathematics courses that follow calculus. Appropriate for self-study or for use in the classroom, this text introduces students to proof techniques, analyzing proofs, and writing proofs of their own. Written in a clear, conversational style, this book provides a solid introduction to such topics as relations, functions, and cardinalities of sets, as well as the theoretical aspects...

Appropriate for undergraduate engineering and science courses in Environmental Engineering. Balanced coverage of all the major categories of environmental pollution, with coverage of current topics such as climate change and ozone depletion, risk assessment, indoor air quality, source-reduction and recycling, and groundwater contamination.

The series builds learner confidence in the professional skills needed for the tourist industry whilst developing their language awareness. Students practise these skills in realistic Case Studies that reflect topical tourism issues. Â The DVD-ROM accompanying the Coursebook includes travel DVDs with accompanying worksheets.

 English for International Tourism is recommended preparation for the LCCI English for tourism exams www.lcci.org.uk.