What is a handbook?
A handbook or aide-mémoire provides basic information about a certain subject or topic. It usually contains numerical tables or other calculations which are essential information for engineers in any field.
It also provides professional guidelines and recommendations, such as the best pratices in a certain field of engineering.
> Taylor & Francis eBooks is a collection of electronic reference works, which includes hundreds of handbooks pertaining to all fields of engineering.
> Knovel is an e-book library covering several fields of engineering and an essential resource for chemical and mechanical engineering.