Single edition - One time, single download option. Lifetime edition - Access to all future updates option. [Recommended] Select option when purchasing. See FAQs for further details of editions. The Medieval / EP-1320 Notebook It's a Reference Book! A Guidebook! A Notebook. Delivered as download in PDF format for maximum compatibility. Specifically written, bottom up for the Teenage Engineering EP-1320 Medieval Instrumentalis Electronicum. Covering all things Medieval, this book is everything you need as a reference to the Teenage Engineering Medieval / EP1320. Step by step walkthroughs help newbie's and advanced user alike get to know how to use the device to its fullest. Finally its a notebook where you can make your own notes and comments in the spaces provides bringing together a comprehensive and customised guide. - Latest 1.5.0 OS. Book Release July 2026 (Revision 'a') - All new high quality diagrams, designed bottom up for the book - Over 200 pages of content and note space - Guidebook + Notebook concept. Electronic annotations on tablet or computer when using applications such as Goodnotes, Adobe Acrobat etc - Quick reference section. - Small footprint PDF format for wider distribution and coverage of many more devices - PDF Bookmarks and Hyperlinked Contents - Deeper dive and walkthrough approach Current Version 1.0.3 OS. Book Release Sept 2024 (First Edition 'a') USB Audio & Sampling. Updated EP tool summary Previous Versions 1.0.3 OS. Book Release Sept 2024 (First Edition 'a')