The three Billygoats Gruff and Mean Calypso JoeCathrene Valente Youngquist, Kristin Sorra, Peter Christen Asbjørnsen2002EPUB407 KBEN
The BillyGate Affair: How Hackers at Microsoft and Google Revealed Their Massive Malware OperationBw McKinzieEPUB128 KBEN
