1<booklist> 2<book> 3 <title>Design Patterns</title> 4 <author>Erich Gamma</author> 5 <author>Richard Helm</author> 6 <author>Ralph Johnson</author> 7 <author>John Vlissides</author> 8</book> 9<book> 10 <title>Pattern Hatching</title> 11 <author>John Vlissides</author> 12</book> 13<book> 14 <title>Building Applications Frameworks</title> 15 <author>Mohamed Fayad</author> 16 <author>Douglas C. Schmidt</author> 17 <author>Ralph Johnson</author> 18</book> 19<book> 20 <title>Implementing Applications Frameworks</title> 21 <author>Mohamed Fayad</author> 22 <author>Douglas C. Schmidt</author> 23 <author>Ralph Johnson</author> 24</book> 25</booklist> 26