While watching her Chinese immigrant son-in-law learn the English language, it became apparent to the author that prepositions are one of the most difficult concepts to comprehend. Therefore, The Dance of The Caterpillars was written as a fun way to teach prepositions. This exciting children's book contains twenty-two prepositions, one two-word multiple, and two three-word multiples. It is destined to become a valuable learning tool for children as well as English as a second language students. Polish is a Slavic language spoken primarily in Poland and the native language of the Poles. It belongs to the Lechitic subgroup of West Slavic languages. Polish is the official language of Poland, but it is also used throughout the world by Polish minorities in other countries. There are about 40 million Polish language speakers around the world.