Paragliding is an air sport purely utilizing air lift that originated from France in 1984, which is becoming more and more popular. It's important to note that, paraglider is different from the traditional parachute. It is actually a kind of aircraft. And, paragliding (hang gliding) is just one of the leisure sports that most people can enjoy, rather than those extreme sports that only a few people can touch.

Who is Joshua Waitzkin? If you lived in the United States, probably already knew him - he became one of the top players of international chess at the age of 10; Or if you have seen a Hollywood film "Searching for Bobby Fischer" (adapted from a book with the same name written by his father), you must still remember that impressive little hero. At the age of 18, he published personal first book "Attacking Chess: Aggressive Strategies, Inside Moves from the U.S. Junior Chess Champion"; when he was 20 years old, he developed the world's largest computer chess program - Chessmaster (published by Ubisoft); and now he is a master of Tai Chi Chuan with many world champion titles.

This collection for Drawing of 50 Kinds of XXX (AKA: Draw 50 XXX) is a set of simple but very practical drawing learning materials for beginners. In this post, AppNee collected all books in the whole series for guys who want to learn practical drawing skills in their spare time for fun, you can download each one separately.

Beginning Fingerstyle Blues Guitar is a classic and excellent  tutorial book (published in 1993) for playing the acoustic blues guitar. It broke down the whole learning process of fingerstyle blues step by step in only 98 pages and was written especially for beginners.

Anki is a friendly, intelligent spaced (word card) learning system based on the Spaced Repetition theory. It's free and open source, with which you can remember anything, anywhere and efficiently.