- [Practical Object-Oriented Design in Ruby][metz] by Sandi Metz
- [Programming Collective Intelligence][coll] by Toby Segaran
- [Secrets of the JavaScript Ninja][resig] by John Resig
- [Effective JavaScript][herman] by David Herman
[metz]: https://www.amazon.com/Practical-Object-Oriented-Design-Ruby-Addison-Wesley/dp/0321721330/ref=as_sl_pc_ss_til?tag=stekineduteca-20&linkCode=w01&linkId=RBEJG3UWS4TC7MXD&creativeASIN=0321721330) [coll]: https://www.amazon.com/Programming-Collective-Intelligence-Building-Applications/dp/0596529325/ref=as_sl_pc_ss_til?tag=stekineduteca-20&linkCode=w01&linkId=PCW5DDXBSOZ7GOCL&creativeASIN=0596529325 [resig]: http://www.amazon.com/Secrets-JavaScript-Ninja-John-Resig/dp/193398869X/ref=sr_1_13?ie=UTF8&qid=1401661527&sr=8-13&keywords=javascript [herman]: http://www.amazon.com/Effective-JavaScript-Specific-Software-Development/dp/0321812182/ref=sr_1_14?ie=UTF8&qid=1401661527&sr=8-14&keywords=javascript