This book is packed with lots of tips and techniques on drawing nature, animals and simple landscapes. The author is John Muir Laws ( https://johnmuirlaws.com/ )
Text review:
http://www.parkablogs.com/content/book-review-laws-guide-nature-drawing-and-journaling
Affiliate links
http://www.amazon.com/gp/product/1597143154?tag=ttmus-20
http://www.bookdepository.com/book/9781597143158?a_aid=parka
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