1. Primary School Chinese (People's Education Edition): This is a set of classic primary school Chinese textbooks with comprehensive contents, covering knowledge points such as literacy, reading and writing, and suitable for second-grade children to learn basic Chinese knowledge.

2. Primary School Mathematics (People's Education Edition): It is also a classic primary school mathematics textbook with a content system, which focuses on cultivating students' mathematical thinking and problem-solving ability, and is suitable for second-grade children to learn basic knowledge of mathematics.

3. Primary School English (People's Education Edition): This set of textbooks is an English textbook specially designed for primary school students, with vivid and interesting contents, focusing on cultivating students' listening, speaking, reading and writing abilities, and suitable for second-grade children to learn basic English knowledge.

4. Primary School Olympiad (People's Education Edition): This is a set of teaching materials specially for primary school students, covering all the knowledge points of mathematics, focusing on cultivating students' logical thinking and problem-solving ability, which is suitable for second-grade children with a certain mathematical foundation to further improve their mathematics level.

5. Primary School Composition (People's Education Edition): This textbook is specially designed for primary school students, covering a variety of common composition topics and writing skills, and is suitable for second-grade children to improve their writing and expression skills.

In addition to the above recommended textbooks, such as music, art, science and other textbooks or picture books, to enrich children's knowledge and cultivate children's hobbies. At the same time, parents can also choose some suitable exercise books or problem sets according to their children's learning situation and needs to help them consolidate their knowledge.