I gathered up some how-to-draw books & had a go at using them. While aimed at kids, they are great for helping adults improve our skills too.
How to Draw a Rose
Drawing Pad for Kids : Childrens Sketch Book for Drawing Practice ( Best Gifts for Age 4, 5, 6, 7, 8, 9, 10, 11, and 12 Year Old Boys and Girls - Great Art Gift, Top Boy Toys and Books ) (Paperback)
How to Draw a Dog, Step-by-Step Guide
Ed Emberley Books Help Kids Learn to Draw - GeekMom
How to Get Good at Drawing (with Pictures) - wikiHow
Animals Archives - GeekMom
Drawing Milestones - The OT Toolbox
art Archives - GeekMom
40 Practically Useful Drawing Cheat Sheets to Improve your Skills - Bored Art