Complex sentence: His "Atalanta fugiens", an alchemical emblem book, was published in 1617; alongside images, poems, and discussion, it included fifty pieces of music in the form of fugues, the form itself being a pun on Atalanta "fleeing".
Split into simpler sentences: His "Atalanta fugiens", an alchemical emblem book, was published in 1617. Alongside images, poems, and discussion, it included fifty pieces of music in the form of fugues, the form itself being a pun on Atalanta "fleeing".