CCNA Routing and Switching are considered to be a career certification from Cisco which would be aimed at network administrators, network specialists, and network support engineers. CCNA Routing and Switching Certification are considered to be the best way in the preparation for the candidates for a successful career in networking and that would give you a full range of training options. Therefore, in addition to books, you also need to have a good training module, as provided by SPOTO.

So here are the Books provided for studying for the CCNA Routing and Switching Exam:

1. Official Cert Guide Library CCNA Routing and Switching 200-125:
CCNA Routing and Switching 200-125 Official Cert Guide Library are considered to be the only self-study resource which would be approved by Cisco and a practice package for the latest CCNA R&S exams which would be provided a concise and to the point information. In this book, Wendell Odom would be offering good exam tips which would be helping you to identify areas of weakness and improve both your conceptual knowledge as well as your hands-on skills.

This book covers the following topics:
A test-preparation routine confirmed to help you pass the exams
CCNA and CCENT network simulator lite editions with 43 free network simulator labs.
Chapter-ending and part-ending exercises
Link to a series of hands-on configuration laboratories developed by the author
More than 2 hours of video training
More than 600 practice exam questions
Quizzes at the beginning of each chapter
Study plan suggestions and templates
Troubleshooting sections

2. Cisco CCNA R&S Simplified:
This is considered as the Complete Guide of clearing the Cisco CCNA Routing and Switching Exam. People of any technical level that would be willing to clear the Cisco CCNA Routing and Switching exam, this book is the best for them. The writing is considered to be very easy to understand, straightforward as well as presented in a logical manner which would be preparing you for real-world application.

What you are going to get:
Exam tips and real-world advice
Free online extra tests
Great lab examples
Syllabus at the beginning of the book

3. Portable Command Guide CCNA Routing and Switching – 4th Edition
CCNA Routing and Switching Portable Command Guide 4th Edition are quite a valuable, easy-to-access as well as an excellent reference book for the beginner which would summarize all CCNA certification-level Cisco IOS software keywords, commands, command arguments, and associated prompts with tips and examples and enabling you to apply the commands to real-world situations.

This book is divided into eight parts
1.Appendixes
2.Infrastructure management
3.Infrastructure security
4.Infrastructure services
5.LAN switching technologies
6.Network fundamentals
7.Routing technologies: IPv4 and IPv6
8.WAN technologies

4. CCNA v3 Routing and Switching 200-125:
CCNA v3 Routing and Switching 200-125 consist of about 650+ CCNA Questions and Answers which is quite an excellent reference book for CCNA study and is considered as a great way that could push you to achieve your goals in the networking field.

This book covers the following topics
DHCP snooping
Infrastructure management
Infrastructure security
Infrastructure services
IPv6 addressing
LAN switching technologies
MPLS, MLPPP, PPPoE, GRE, QoS, BGP, SDN, APIC-EM, LLDP
Network fundamentals
Port-based authentication and
Routing technologies
Switch chassis aggregation
WAN technologies
Wireless devices

Hence here are some books recommendations, which you could use for the study materials, also if you wish to increase your chances, you could gain through the training module, like that is provided by the SPOTO.