Crossword clues for Set of 20 5 lettersAnswerClueSCORESet of 20INDEPENDENCEHALLLongtime setting for 20-AcrossDESERTWith 44-Down, setting for 20-, 35- and 54-AcrossPERU20-Across settingBASEBALLDIAMONDSetting for a 20-Across ... as represented by this puzzle's circled lettersOED20-volume ref. setTALEOFTWOCITIESNovel set in era of 20 AcrossATLANTIS20,000 Leagues Under The Sea settingTOBUILDAFIREJack London short story set in harsh winter conditions, and what the ends of 20-, 28-, and 47-Across can be used forCONTROLGROUPSet of people receiving a placebo, perhaps ... or what the ends of 20-, 28- and 41-Across belong to?DEATHLYHALLOWSSet of legendary objects from the Harry Potter series found at the ends of 20-, 34- and 41-Across