{"type": {"key": "/type/edition"}, "publish_date": "2009", "publish_country": "enk", "languages": [{"key": "/languages/eng"}], "authors": [{"key": "/authors/OL720437A"}], "oclc_numbers": ["321016126"], "dewey_decimal_class": ["621.811"], "series": ["Simple technology", "Simple technology"], "notes": {"type": "/type/text", "value": "Includes bibliographical references (p. 31) and index."}, "description": {"type": "/type/text", "value": "Introduces the concept of this simple machine and provides instructions for activities which explore how levers work. Suggested level: junior, primary."}, "table_of_contents": [{"level": 0, "label": "", "title": "What is a lever?", "pagenum": ""}, {"level": 0, "label": "", "title": "Forces", "pagenum": ""}, {"level": 0, "label": "", "title": "The first levers", "pagenum": ""}, {"level": 0, "label": "", "title": "Using levers", "pagenum": ""}, {"level": 0, "label": "", "title": "Different parts", "pagenum": ""}, {"level": 0, "label": "", "title": "Look around", "pagenum": ""}, {"level": 0, "label": "", "title": "A seesaw", "pagenum": ""}, {"level": 0, "label": "", "title": "Experiment with levers", "pagenum": ""}, {"level": 0, "label": "", "title": "More levers", "pagenum": ""}, {"level": 0, "label": "", "title": "Everyday levers", "pagenum": ""}, {"level": 0, "label": "", "title": "Your body", "pagenum": ""}, {"level": 0, "label": "", "title": "Different levers", "pagenum": ""}, {"level": 0, "label": "", "title": "Glossary", "pagenum": ""}, {"level": 0, "label": "", "title": "Notes for adults.", "pagenum": ""}], "subjects": ["Levers", "Juvenile literature"], "title": "Levers", "by_statement": "Mandy Suhr", "publishers": ["Wayland"], "publish_places": ["London"], "isbn_13": ["9780750259545"], "isbn_10": ["075025954X"], "pagination": "pages cm.", "ocaid": "levers0000suhr", "source_records": ["ia:levers0000suhr", "promise:bwb_daily_pallets_2020-09-09"], "full_title": "Levers", "covers": [10780681], "works": [{"key": "/works/OL24281863W"}], "key": "/books/OL32120202M", "local_id": ["urn:bwbsku:KN-832-252"], "identifiers": {"amazon": [""]}, "latest_revision": 2, "revision": 2, "created": {"type": "/type/datetime", "value": "2021-03-27T10:17:49.191500"}, "last_modified": {"type": "/type/datetime", "value": "2022-12-09T23:31:16.368334"}}