This book was amazing for Colombia! I usually use lonely planet for traveling but saw a lot of negative reviews, so I went with this. It turns out that back in 2010 (if i remember correctly), the lonely planet writer for Colombia never visited Colombia that year and just wrote the book based off of phone interviews he had with ppl, which resulted in poor recommendations and which is why a lot of ppl gave the book a low rating . This Book, however, pretty much hit the nail on the head for every city I visited (Bogota, Cartagena, Santa Marta, and Medellin). The recommendations for the tours (especially the Real City walking tour for Medellin), sites, and restaurant were amazing. Although, I do wish the book put a little more emphasis on locations where you can go out and party with locals. The only additions i would make to this book is that when you visit Bogota (like the book says) don't trust local taxis, but instead download Uber or Tipsy (if i remember correctly) and always use those cabs no matter where u go in Colombia (maybe except for santa marta, which is really safe). Also, if you're in Cartagena CHECK OUT FRAGMA!!! It's a night club with two dance floors, one for sala and the other for mix music, and where a lot of locals go to party. Many locals recommended it to us, but for some reason the club's name never appeared on many of the top travel sites for Colombia. Take my word for it, ITS AMAZING! Also, Cafe del Mar in Cartagena is really worth all of the Hype!!!
P.S. Colombia was a lot safer than I expected. As long as you don't present anyone with the opportunity to steal something from you (like wearing a flashy watch or leaving your backpack slightly open) no one will give you a problem. I walked through some of the supposedly most dangerous locations in Medellin and never had a problem.