In Work Hard, Be Nice, Mathews captures the exuberance [and] intelligence of two young educators. [They're] why KIPP [Knowledge Is Power Program] schools are successful and why this book should be read by everyone who cares about education. - Richard W. Riley, former U. S. Secretary of Education. Work Hard. Be Nice. - Jay Mathews od authora Jay Mathews a nakladatelství za skvělé ceny na e-shopu Martinus. cz.