In 1548, ten of the twenty works that the two men published were devoted to criticizing the Catholic belief of transubstantiation.[3] One of those publications, a satirical poem by Luke Shepherd titled Iohn Bon and Mast Person, almost landed Day in jail.[10] Day and Seres also translated important works of Continental Protestantism for the English market, notably Herman von Wied's A Simple and Religious Consultation in 1547.[11]