In my opinion this is a good book for review that grows best the playful side to help the student to work without realizing it. Beautiful illustrations and puzzles that make revising the logic, mathematics, history, English, SVT finally almost all subjects, without announcing the content of each proposed riddles. I certainly recommend for students not too motivated vacation revisions because it is a good way to revise having fun. Some puzzles are quite difficult and requires a lot of concentration. I have only one regret, my daughter who comes into 4th this year was only partially used because she had vacancy notebook Hatier 5e-> 4th and found that AC was a lot!
