Our books are crafted to provide a deep understanding of each topic with step-by-step explanations, real-world examples, and practical exercises. Each book includes detailed chapters, illustrations, and code samples designed to help you build skills as you read. All of our eBooks are downloadable in PDF format, making it easy to access them offline anytime. Many books also come with supplementary downloadable assets or files to support your learning, and some feature online updates or companion content for the latest industry practices.

Yes, our courses include updates to ensure the content stays current with the latest tools and practices. Our books, which are published chapter by chapter, are also updated regularly until they are considered complete. This approach allows you to benefit from the latest information and improvements as you progress through the material. Once a book is finalized, it remains available in its completed form

Our eBooks are fully downloadable in PDF format, allowing you to access them offline anytime.

Some of our books are offered in a special Hardcover edition through our partner Lulu. If you purchase one, you will also get access to the supplemental downloadable assets. If you get the Hardcover edition and don't have an account on Jettelly, we'll create one automatically using the email you used on Lulu.

No, we currently do not offer certificates upon course completion. Our focus is on providing high-quality content and practical skills that you can immediately apply to your projects and portfolio.