Knackwurst remains Knackwurst and pirate remains pirate. This is how pirate captain Kalle Knackwurst has thought throughout his wild pirate life. But on this privateering journey, he learns some strange things: You can buy things instead of stealing them. You can say please instead of just demanding! Kalle is bewildered by the world, but fortunately, he has his sailor who faithfully stands by him in these new adventures. With the Bildermaus series, children as young as 5 years old (preschool) can learn to read in a playful way: In the first reading level, every noun is replaced by a picture. The large print, short sentences, and many colorful images ensure plenty of fun while learning to read.