Weiqi Fast and Easy to Understand Professional Book Series (4 books)

Series: Weiqi Fast and Easy to Understand Professional Book Series
圍棋快易通系列業書
Publisher: Wan Li Book Co., Ltd. 萬里出版社
Format: softcover

Title: Weiqi Introductory Instruction Book
圍棋入門教本
Author/Editor: 嵇筱霖
ISBN: 9789621433583
Published: 2004
Publisher Recommended Price: HKD58
Content:
This book uses a question and answer format to explain a lot of chinese go terminology (with text and diagrams) and other introductory material.

Title: Magical Weiqi Practice Question Collection (1) Introduction and Life and Death
魔法圍棋習題集 (一) 入門與死活
Author/Editor: 陳採雲
ISBN: 9789621435668
Published: 2007
Publisher Recommended Price: HKD48
Content:
100 Introductory Problems (18k-15k+); 96 Life and Death Problems (16k-12k+)

Title: Magical Weiqi Practice Question Collection (2) Joseki and Vital Points
魔法圍棋習題集 (二) 定石與要點
Author/Editor: 陳採雲
ISBN: 9789621435675
Published: 2007
Publisher Recommended Price: HKD48
Content:
138 Joseki problems (14k-10k+); 96 Vital Points Problems (12k-8k+)

Title: Magical Weiqi Practice Question Collection (3) Attack & Kill and Tesuji
魔法圍棋習題集 (三) 攻殺與手筋
Author/Editor: 陳採雲
ISBN: 9789621435682
Published: 2007
Publisher Recommended Price: HKD48
Content:
100 Attack and Kill Problems (10k-6k+); 98 Tesuji Problems (8k-4k+)

The problem books have a 5-star difficulty scale. There is also a ranking scale for each category based on how well you solved the problems. I have shown the respective scaled rankings above in the book descriptions.