When it comes to the term "literary conundrum," there are several synonyms that can be used to express the same meaning in different ways. One synonym for this term is "book puzzle," which refers to a confusing literary problem that requires careful reading and analysis to solve. Another synonym for "literary conundrum" is "novel mystery," which invokes the idea of a mysterious story that needs to be deciphered. "Reading riddle" is yet another synonym that places emphasis on the difficulty of understanding a particular literary work. Ultimately, all of these synonyms share a common idea: that some literary works can be complex and challenging to comprehend.