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  "formats": "Każda podstrona ma dwie wersje z tymi samymi danymi: JSON (adres strony + .json) i markdown (adres strony + .md). Do każdego `url` w tym dokumencie można dopisać .json albo .md.",
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  "description": "Seria pięknie ilustrowanych sztywnostronicowych książek dla najmłodszych. W każdej z nich znajduje się jeden ponadczasowy wiersz Juliana Tuwima. - Oj, Grzesiu, kłamiesz! Lepiej powiedz po dobroci! - Ja miałbym kłamać? Niemożliwe, proszę cioci! O Grzesiu Kłamczuchu i jego cioci – o tym, jak Grześ opowiadał ze szczegółami o swoich przygodach podczas wysyłania listu, którego tak naprawdę… nigdy nie dostał do wysłania. Dotychczas w serii ukazały się: Lokomotywa, Słoń Trąbalski, Pan Maluśkiewicz i wieloryb, W aeroplanie, Rzepka, Ptasie radio, O panu Tralalińskim.",
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