Ivo Damyanov has a MSc in Mathematics (1995) and holds a PhD in Computer science (2012). He is an Assistant Professor at the Department of Informatics, at the South-West University, Blagoevgrad, Bulgaria. His professional and scientific research interests are in the fields of Discrete Functions, Tree Automata, Universal Algebra, Metaprogramming, Domain-Specific Languages, Code Generation and Static Code Analysis, etc. Slavcho Shtrakov has a PhD degree in Discrete Mathematics and has a DSc degree in Algebra and Discrete Mathematics. He is an Associate Professor at the Department of Informatics at the South-West University, ... |
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"Oxford Bookworms Library Factfiles" are non-fiction graded readers from the "Oxford Bookworms Library" available for Levels 1 to 4 (CEFR A1 - B2). Students learn about different countries and cultures, science and nature, history and historical figures all while practising and improving their English. Stephen Hawking was one of the greatest scientists and thinkers of our time, and is famous around the world because he wrote and talked about cosmology - the science of the universe - in a way that people could understand. He had a terrible disease called ALS, and for many years could only move and ... |
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Oxford Bookworms Library Factfiles are non-fiction graded readers from the Oxford Bookworms Library available for Levels 1 to 4 (CEFR A1 - B2). Students learn about different countries and cultures, science and nature, history and historical figures all while practising and improving their English. What is Japan? It is everything new and modern: the Tokyo Sky Tree, 634 metres high; amazing cameras and phones; karaoke and manga; trains going past at 300 kilometres an hour. And it is everything ancient too: beautiful palaces; high mountains and hot springs; cherry blossom in the spring; quiet gardens with water and trees. ... |
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Oxford Bookworms Library Factfiles are non-fiction graded readers from the Oxford Bookworms Library available for Levels 1 to 4 (CEFR A1 - B2). Students learn about different countries and cultures, science and nature, history and historical figures all while practising and improving their English. It is more than forty years since the Great Train Robbery. But what happened to the rest of the money that was taken? Two million pounds has never been found. Perhaps some of the robbers would like to know the answer to this question too... Many great crimes end in a question. Who really killed President Kennedy? What happened ... |
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"Oxford Bookworms Library Factfiles" are non-fiction graded readers from the "Oxford Bookworms Library" available for Levels 1 to 4 (CEFR A1 - B2). Students learn about different countries and cultures, science and nature, history and historical figures all while practising and improving their English. Who will speak for the poor? Who will listen to slaves, and those who have no rights? Who will work for a future where everyone is equal? Who will give up his house, job, and money to fight for people who are shut out by everyone else? 'I will,' said Mohandas Gandhi. And he began to fight in a ... |
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"Oxford Bookworms Library Factfiles" are non-fiction graded readers from the "Oxford Bookworms Library" available for Levels 1 to 4 (CEFR A1 - B2). Students learn about different countries and cultures, science and nature, history and historical figures all while practising and improving their English. Imagine an animal with teeth as big as bananas - and a brain as big as an orange. Or a flying animal with wings as wide as a small plane. Think about a tail that could knock a man's head off, or a mouth with hundreds of teeth. Is it any surprise that people are interested in dinosaurs? Nobody has ... |
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"Oxford Bookworms Library Factfiles" are non-fiction graded readers from the "Oxford Bookworms Library" available for Levels 1 to 4 (CEFR A1 - B2). Students learn about different countries and cultures, science and nature, history and historical figures all while practising and improving their English. Everyone knows about Brazil's beautiful beaches, the Amazon rainforest, and the wonderful Carnival of Rio de Janeiro. But there is a lot more to Brazil than this: here you can find interesting old towns, modern cities, and thousands of different kinds of animals and plants. It is home to ... |
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"Oxford Bookworms Library Factfiles" are non-fiction graded readers from the "Oxford Bookworms Library" available for Levels 1 to 4 (CEFR A1 - B2). Students learn about different countries and cultures, science and nature, history and historical figures all while practising and improving their English. In 1918 in the peaceful province of Transkei, South Africa, the Mandela family gave their new baby son the name Rolihlahla - "troublemaker". But the young boy's early years were happy ones, and he grew up to be a good student and an enthusiastic sportsman. Who could imagine then what was ... |
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"Oxford Bookworms Library Factfiles" are non-fiction graded readers from the "Oxford Bookworms Library" available for Levels 1 to 4 (CEFR A1 - B2). Students learn about different countries and cultures, science and nature, history and historical figures all while practising and improving their English. It's a terrible problem - or it's really not as bad as people say. There will be sudden big changes - or slower changes that we can learn to live with. It means the end for many animals, people, even whole islands - or the beginning for growing food in the Sahara. What is the true story about ... |
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"Oxford Bookworms Library Factfiles" are non-fiction graded readers from the "Oxford Bookworms Library" available for Levels 1 to 4 (CEFR A1 - B2). Students learn about different countries and cultures, science and nature, history and historical figures all while practising and improving their English. From out of the sky, from under the earth, from far out at sea - disaster comes. We build and invent new things - and sometimes bring disaster on ourselves. Today television and the Internet mean that we can watch disasters as they happen, and see their terrible results. From Pompeii to the Asian ... |
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"Oxford Bookworms Library Factfiles" are non-fiction graded readers from the "Oxford Bookworms Library" available for Levels 1 to 4 (CEFR A1 - B2). Students learn about different countries and cultures, science and nature, history and historical figures all while practising and improving their English. It is beautiful to look at, hard to reach, and terribly difficult to climb. Winds of 200 kilometres per hour or more scream across it day and night, while the temperature falls to -20°C or lower. Every year, some who try to climb the highest mountain in the world do not return. But for a century people ... |
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"Oxford Bookworms Library Factfiles" are non-fiction graded readers from the "Oxford Bookworms Library" available for Levels 1 to 4 (CEFR A1 - B2). Students learn about different countries and cultures, science and nature, history and historical figures all while practising and improving their English. Is there anyone who has not looked at the dark sky, and the shining points of light above us, and asked themselves questions about what is out there? Where did our planet come from? When did the universe begin? Could we live on another planet? And one question above all - is there life anywhere else in ... |
