This was a kit from Knit Picks. The charts were easy to follow. I found errata on their web-site, thanks to a heads-up from someone on Ravelry. I chose to add a lining for strength, and to hide the extra threads on the inside. My daughter LOVES it. I was happy to find a knitted item she actually wanted me to make for her. The kit came with TONS of yarn. Enough to make 2 bags, easily. I plan to make it again, but have 1 entire side open, rather than that little diagonal opening on one corner.