Twitter Marketing for Dummies – Kyle Lacy [PDF] [English]

Starting an Online Business for Dummies (4th Edition) – Greg Holden [PDF] [English]

Starting an Online Business All-in-One Desk Reference for Dummies (2nd Edition) – Shannon Belew, Joel Elad [PDF] [English]

Starting an eBay Business for Dummies (3rd Edition) – Marsha Collier [PDF] [English]

Search Engine Optimization All-in-one Desk Reference for Dummies – Bruce Clay, Susan Esparza [PDF] [English]

Facebook Marketing for Dummies – Paul Dunay, Richard Krueger [PDF] [English]

eBay Timesaving Techniques for Dummies – Marsha Collier [PDF] [English]

eBay Listings That Sell for Dummies – Marsha Collier, Patti Louise Ruby [PDF] [English]

eBay Business ALL-IN-ONE DESK REFERENCE for Dummies – Marsha Collier [PDF] [English]

Facebook Marketing for Dummies (4th Edition) – John Haydon [PDF] [English]

Building Your Business with Google for Dummies – Brad Hill [PDF] [English]