Strong interest: Original cartoon IP image, reproducing children's social scenes in the form of comics. 

High practicality: The three books have selected 84 common communication difficulties, covering three types of scenarios: campus, home, and public places. 

Comparison in expression: By comparing three ways of expression, one can more intuitively feel the power of language. 

Ready to use expression: Each communication scenario has 5 brilliant expressions to refer to, which can be directly applied after reading. 

Expressing formulas and learning to draw analogies: By expressing formulas, one can master the logic of expression and draw analogies.