{"product_id":"john-a-mckinven-roltair-genius-of-illusions-plus-a-review-of-historical-levitation-patents","title":"John A. McKinven - Roltair \" Genius of Illusions\" Plus a Review of Historical levitation Patents","description":"Self-Published 1980 1st Edition ; \u003cbr\u003eSoft cover;  Book Condition: Very good   Jacket: n\/a\u003cbr\u003e\u003cbr\u003eVery good copy, no wear but fading around edges. Pulls together details about the inventor of complex stage illusions- with patents, diagrams etc. Numbered copy 109","brand":"Hinchbooks","offers":[{"title":"Default Title","offer_id":45075929497697,"sku":"3210","price":45.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0035\/1630\/1401\/files\/3210_24acdb31-5b11-458a-85dc-de5f522122aa.jpg?v=1780567176","url":"https:\/\/martinbreese.com\/products\/john-a-mckinven-roltair-genius-of-illusions-plus-a-review-of-historical-levitation-patents","provider":"Martin Breese Magic","version":"1.0","type":"link"}