Karp, Harvey. creator moving image videorecording xxu United States?] The Happiest Baby, Inc. c2006 2006 monographic eng

videorecording

1 disc (68 min.) : sd., col. ; 4 3/4 in. Harvey Karp. "The new way to calm crying and help your baby sleep!"--Container insert. 90 minutes of calming sounds. Bonus features: Twenty-five questions and answers from parents; Three effective calming sounds. Choice of English or Spanish track. Comforting of infants Crying in infants Infants Sleep Parent and child 131009 20230110151009.0