This randomly chooses a featured book to display on the Main Page. Create a new featured book, add it to the list in alphabetical order, and then update the total on this page (`X` in {{Rand|`X`|`Seed`}}).

High School Mathematics Extensions is aimed at, but not limited to, 14 to 18 year olds who are interested in mathematics in general. Several interesting topics not covered in the standard high school curriculum are introduced in this text.