If you are searching for a free, downloadable PDF of this novel, you will likely hit a wall. Unlike out-of-copyright 19th-century novels, The Fun of the Fair is a contemporary, in-print title (published 2021). Reputable library databases (such as JSTOR, ProQuest, or OverDrive) do not host pirated copies. Random file-sharing websites that claim to offer a PDF are almost certainly:

Understanding where “The Fun of the Fair” has appeared is key to finding a legitimate copy.