Mandarin Companion has published a collection of graded readings in different levels. The collection Breakthrough Level is limited to 150 characters and it is targeted to students who have been studying Chinese for a year approximately.
The key point of this series of books is to approach interesting readings with absorbing plots which allow readers into a "extensive" reading. In other words, readers must understand 98% of the words so that they can enjoy the book and at the same time the experience turns into a motivation to keep studying and they get good reading habits.
This type of readings allow students to observe vocabulary in different contexts , learn different meanings of the words, review grammatical structures etc.
Plot offered by the publishers
Even at a young age, Xiao Ming (boy Sherlock Holmes) has a reputation among his peers for his keen powers of observation. His budding skills are put to the test when he is tasked with finding a thief at school. However mysteries always seem to find him when strange fires start out of seemingly nowhere and a classmate begins anonymously receiving flowers from a secret admirer. With the help of his older brother, Xiao Ming employs his skills of wit and deduction to unveil the truth hidden behind every mystery.