There are countless drawing books out there and many different techniques for how to draw.
There is no "single way" to acheive the results you are looking for. However, we believe that we offer the best instruction on today's market--yet we want you to know about other options, so we have provided links to additional books that you may find interesting and useful.
Whichever ones you read make sure they don't start with "Ok, draw this square, now draw a circle, now draw....and there you are, now you'll have a giraffe--unless you are drawing for or showing children how to draw.
How To Draw
How to Draw What You See
How to Draw People
How to Draw Lifelike
Portraits from Photographs
How To Draw 101 Funny People
Face Off: How to Draw Amazing Caricatures & Comic Portraits
How to Draw Flowers
How To Draw Animals
How to Draw 101 Animals
Here are a few speciality books that may also interest you.
The Calligrapher's Bible
Creating Characters with Personality: For Film, TV, Animation, Video Games, and Graphic Novels
How to Draw Comics the Marvel Way
Simplified Anatomy for the Comic Book Artist: How to Draw the New Streamlined Look of Action-Adventure Comics!
The Fantasy Illustrator's Technique Book
Draw Manga: How to Draw Manga In Your Own Unique Style