On Tuesday, Apple published a new iBook in its iBooks Store entitled iOS Human Interface Guidelines that goes over some details about creating beautiful, user-friendly applications that not only look good, but also function effectively.

It's a good read for new developers migrating to the iOS or Mac OS platform that are looking for tips on how to create great applications.

The iBook includes details for the company's latest operating systems including iOS 7 and Mac OS X Mavericks.

Quote Originally Posted by Apple
Create a superlative user experience that's founded on Apple's design principles and guidelines.
The 228-page iBooks download is available for free via this iBooks Store link and can be read on iOS devices and Mac OS X machines alike.

Sources: iBooks Store via MacRumors