At the end of the summer holidays, something terrible happened: Sophie lost a plush bunny. He disappeared at the airport as they waited for the plane. Žofinka was very sad. No wonder Felix was her best friend. At the beginning of the new school year, Žofka post office from London - a letter from Felix! It was the first letter of Zajíček's letter around the world. Other letters followed - from Paris, Rome, Cairo, a letter from Safari in Kenya and a letter from New York. Cheerful narratives about people and foreign countries embedded in six real letter envelopes are exciting, fun and instructive. An engaging narrative about a small traveler accompanied by colorful pictures, cheerful letters and a briefcase full of stickers brings fun and lessons to curious readers.