00533nam a22001817a 450000500170000001000130001702000260003003500130005603700220006908200120009110000150010324500610011826000390017927000610021830000280027950000260030770000180033320220923123351.0  aB-745677  a9780241184837c599.00  aB-745677  bPortfolio Penguin  a658.575  a Eyal, Nir  aHooked: cNir EyalbHow To Build Habit-Forming Products/  aNew DelhibPortfolio Penguinc2014  a11, Community Center, Panchseel ParkbNew Delhi e110017  a242p.bill.c20.5cm(Hb)  aAcknowledgments,Index  a Hoover, Ryan