Vocabulary and grammatical structures have been carefully controlled and graded over the three levels of the series to allow students a comfortable progression from easily accessible readings to more challenging readings. Exercises in the series have been designed to practice reading and comprehension skills useful for students interested in test-taking strategies. Reading Challenge is suitable for both classroom use and self-study, although students in the classroom will benefit from the additional activities presented in each unit focused on developing speaking, listening, and writing skills.
Number theory, an ongoing rich area of mathematical exploration, is noted for its theoretical depth, with connections and applications to other fields from representation theory, to physics, cryptography, and more. While the forefront of number theory is replete with sophisticated and famous open problems, at its foundation are basic, elementary ideas that can stimulate and challenge beginning students. This lively introductory text focuses on a problem-solving approach to the subject.
Jake Barton, a tough, hard-punching engineer from Texas, and Gareth Swales, a stylish old-Etonlan gun-runner down on his luck, make a lucrative arms deal with an Ethiopian prince, and dare to challenge the international blockade on land and sea to deliver a consignment of ancient and decrepit armoured cars to his beleaguered countrymen.
Сборник эссе о народных поверьях и сверхъестественном опыте в различных культурах.
These essays explore belief and supernatural experience within an array of cultures and challenge the idea that supernatural experience is extraordinary.
Vocabulary and grammatical structures have been carefully controlled and graded over the three levels of the series to allow students a comfortable progression from easily accessible readings to more challenging readings. Exercises in the series have been designed to practice reading and comprehension skills useful for students interested in test-taking strategies. Reading Challenge is suitable for both classroom use and self-study, although students in the classroom will benefit from the additional activities presented in each unit focused on developing speaking, listening, and writing skills.
