Inbound marketing consultant Keith Gutierrez helped Sheffield Village, Ohio-based Weed Pro increase its 2012 lawn care program sales by more than 300 percent using inbound marketing tactics. (Read the December cover story here.)

We asked him to supply Landscape Management readers with a list of inbound marketing “recommended reading” for those interested in studying up on the topic. Here’s what Gutierrez, the CEO of Structure Marketing in Westlake, Ohio, suggests (also available on this Pinterest board):

1. Inbound Marketing  by Brian Halligan and Dharmesh Shah
2. Crush It by Gary Vaynerchuk
3. Purple Cow by Seth Godin
4. Good to Great by Jim Collins
5. Marketing Lesson From The Grateful Dead by Brian Halligan and David Meerman Scott
6. Start With Why by Simon Sinek
7. The New Rules of Marketing & PR by David Meerman Scott
8. Permission Marketing by Seth Godin
9. Switch – How To Change Things When Change is Hard by Chip Heath and Dan Heath
10: Enchantment by Guy Kawasaki
11. Drive by Daniel Pink
12. Thank You Economy by Gary Vaynerchuk
13. Trust Agency by Chris Brogan and Julien Smith
14. The Now Revolution by Jay Baer, Amber Naslund
15. Real-Time Marketing & PR by David Meerman Scott
16. Tribes by Seth Godin
17. Content Rules by Ann Handley and CC Chapman
18. Managing Content Marketing by Robert Rose and Joe Pulizzi
19. Return-on-Influence by Mark Schaefer
20. Marketing In the Round by Gini Dietrich and Geoff Livingston