Add the bottom of a page, section, sub-title or whenever application a not should be made indicating if the reader can now attempt a particular challenge. This will help those that are more self guided and gives the reader an indication of their expected ability at a given point in the book.
Add the bottom of a page, section, sub-title or whenever application a not should be made indicating if the reader can now attempt a particular challenge. This will help those that are more self guided and gives the reader an indication of their expected ability at a given point in the book.