Coquin, musketeer

Mini-novel for young readers.
Coquin has heroes he admires: Moustacha, Sacha and Pasha, the musketeers. Coquin dreams of becoming a musketeer too. Chance often does things well, and one day, the three musketeers arrive at the castle, looking for their fourth companion! Coquin decides to take the necessary test. Will he succeed?