The human girl Astrid and her trusty horse Lothar travel to the marshy Menghitung Delta in search of the lost Sieve of Eratosthenes. On her travels, Astrid mingles among the frogfolk, outsmarts local crime lord Boss Badung, and braves the depths of a haunted swampland cave...

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If you connect to the tale of Astrid and Lothar, why not draw a picture of some part of their journey? Or write a story featuring this duo on some new adventure? Share your creations, and we'll create a fan art collection!