Invitation to quantum mechanics Invitation to quantum mechanics , by Daniel F. Styer, Singapore, World Scientific Publishing Co. Pte. Ltd, 2022, 289 pp., £30 (e-book), ISBN: 978-981-124-792-7; £40 (paperback), ISBN: 978-981-124-928-0; £80 (hardback), ISBN: 978-981-124-790-3. Scope: textbook. Level: undergraduate