Star Mentor: Hands-On Projects and Lessons in Observational Astronomy for Beginners By: Daniel E Barth Read more
Analysing Survival Data from Clinical Trials and Observational Studies By: Ettore Marubini, Maria Grazia Valsecchi Read more
Observational Sketching: Hone Your Artistic Skills by Learning How to Observe and Sketch Everyday Objects By: Mariko Higaki Read more