I Heard a Sound, , Holiday House, David J. Ward,Children’s / Teenage general interest: Science and technology,Children’s / Teenage: General interest, kids science;stem books for kids;vibrations;science books for kids;kids science books;how things work;experiments;kids experiment books;hands on learning;picture books;books for kids 5-7;science for kids;1st grade books;2nd grade books;first grade books;books for 7 year old boys;childrens books by age 5-8;books for 9 year old girls;books for 7 year old girls;physics;non fiction books for kids age 7-9;books for 6 year old girls;books for 5 year old boys;science books;science books for kids 5-7,, , United States, en-UShttps://www.penguinrandomhouse.comkids science;stem books for kids;vibrations;science books for kids;kids science books;how things work;experiments;kids experiment books;hands on learning;picture books;books for kids 5-7;science for kids;1st grade books;2nd grade books;first grade books;books for 7 year old boys;childrens books by age 5-8;books for 9 year old girls;books for 7 year old girls;physics;non fiction books for kids age 7-9;books for 6 year old girls;books for 5 year old boys;science books;science books for kids 5-7, [BLURB],[CITY],,books, ebooks, biblet, Book2look