Cluedle 4: The Case of the Silver CipherHartigan BrowneAge 8 +PaperbackPre-order nowAmazonBlackwell'sBook DepositoryBookshop.orgFoylesWaterstonesWH SmithWordery27 March 2025Imprint: Macmillan Children's BooksSynopsis224 pages9781035073726Details27 March 2025224 pages9781035073726Imprint: Macmillan Children's BooksBooks by Hartigan Browne PreviousCluedle 5Cluedle 4: The Case of the Silver CipherCluedle - The Case of Rudolph's RevengeCluedle - The Case of the Golden PomegranateCluedle - The Case of the Dumpleton Diamond Next