"Instant Java Servlets" by Phil Hanna is a comprehensive textbook designed for adult education and further education levels. Published by Osborne/McGraw-Hill in 2000, this paperback book covers programming languages such as Java and internet technologies. It includes a CD-ROM and illustrations to enhance the learning experience for beginners, intermediates, and advanced learners. With a focus on application development, this book is a valuable resource for those looking to deepen their knowledge in the realm of computer programming.