Li Yupei's mathematical fairy tale Detective Glasses and Li Yupei's sweet story moved me very much. This set of books has five series and 24 works (the first batch of 10), which has built a huge mathematics kingdom for readers. Li Yupei's mathematical fairy tale "Little Glasses Detective" tells the story of little glasses, which has opened our eyes this time! Guided by the eagle of time, he traveled to four ancient civilizations and visited the most famous mathematicians in history! After returning to the real world, he had another detective addiction. He was very moved by Li Yupei's mathematical fairy tales, detective stories with small glasses, and Li Yupei's very warm stories. This set of books has five series and 24 works (the first batch of 10), which has built a huge mathematics kingdom for readers. Li Yupei's mathematical fairy tale "Little Glasses Detective" tells the story of little glasses, which has opened our eyes this time! Guided by the eagle of time, he traveled to four ancient civilizations and visited the most famous mathematicians in history! After returning to the real world, he had another detective addiction. He was very moved by Li Yupei's mathematical fairy tales, detective stories with small glasses, and Li Yupei's very warm stories. This set of books has five series and 24 works (the first batch of 10), which has built a huge mathematics kingdom for readers. Li Yupei's mathematical fairy tale "Little Glasses Detective" tells the story of little glasses, which has opened our eyes this time! Guided by the eagle of time, he traveled to four ancient civilizations and visited the most famous mathematicians in history! After returning to the real world, he had another detective addiction. He was very moved by Li Yupei's mathematical fairy tales, detective stories with small glasses, and Li Yupei's very warm stories. This set of books has five series and 24 works (the first batch of 10), which has built a huge mathematics kingdom for readers. Li Yupei's mathematical fairy tale "Little Glasses Detective" tells the story of little glasses, which has opened our eyes this time! Guided by the eagle of time, he traveled to four ancient civilizations and visited the most famous mathematicians in history! After returning to the real world, he had another detective addiction. He was very moved by Li Yupei's mathematical fairy tales, detective stories with small glasses, and Li Yupei's very warm stories. This set of books has five series and 24 works (the first batch of 10), which has built a huge mathematics kingdom for readers. Li Yupei's mathematical fairy tale "Little Glasses Detective" tells the story of little glasses, which has opened our eyes this time! Guided by the eagle of time, he traveled to four ancient civilizations and visited the most famous mathematicians in history! After returning to the real world, he had another detective addiction. He was very moved by Li Yupei's mathematical fairy tales, detective stories with small glasses, and Li Yupei's very warm stories. This set of books has five series and 24 works (the first batch of 10), which has built a huge mathematics kingdom for readers. Li Yupei's mathematical fairy tale "Little Glasses Detective" tells the story of little glasses, which has opened our eyes this time! Guided by the eagle of time, he traveled to four ancient civilizations and visited the most famous mathematicians in history! After returning to the real world, he had another detective addiction. He was very moved by Li Yupei's mathematical fairy tales, detective stories with small glasses, and Li Yupei's very warm stories. This set of books has five series and 24 works (the first batch of 10), which has built a huge mathematics kingdom for readers. Li Yupei's mathematical fairy tale "Little Glasses Detective" tells the story of little glasses, which has opened our eyes this time! Guided by the eagle of time, he traveled to four ancient civilizations and visited the most famous mathematicians in history! After returning to the real world, he added