# Trails

- [Elixir](/playbook/education/trails/elixir.md)
- [Domain-Driven Design and CQRS/ES](/playbook/education/trails/domain-driven-design.md)
- [Event Storming](/playbook/education/trails/event-storming.md)
- [Feature-Driven Development](/playbook/education/trails/feature-driven-development.md)
- [Functional Programming](/playbook/education/trails/functional-programming.md)
- [GraphQL](/playbook/education/trails/graphql.md)
- [Object Design](/playbook/education/trails/object-design.md)
- [Object Modeling](/playbook/education/trails/object-modeling.md)
- [Specification by Example](/playbook/education/trails/specification-by-example.md)
- [Story Mapping](/playbook/education/trails/story-mapping.md)
- [Testing](/playbook/education/trails/testing.md)
- [Type Classes](/playbook/education/trails/type-classes.md)
