Welcome to the Cisco Learning Network.
For the CCNA 200-301 exam. That is the NEW CCNA exam to be available on February 24th., 2020. You might want to read first a great blog by Wendell Odom, the author of the books for the New CCNA exam. That explains very well the difference between the Old CCNA and what topics is covered in the New CCNA. You can check it out at the following link:
Since you purchased the ICND1 100-105 book. Wendell Odom, the author of the best selling CCNA books has recently written a blog, on how to use the old CCNA books including your ICND1 100-105 book toward going for the New CCNA certification. You can check that great blog at the following link:
Also for the Official New CCNA 200-301 books available at this moment, you can check below:
You can confirm the above information and find more updates of upcoming CCNA books and training at Cisco Press at the following link:
Furthermore, you can find FREE valuable exam information and study material, here at the Cisco Learning Network at the following links:
General information here:
Exam Topics here:
Study Material here:
Additionally, if you would like to consider an E-learning option you can check at the Cisco Learning Store, where at this moment there is a CCNA Preparation bundle that includes a voucher to take the CCNA exam, available with a discount included. Also you have access to a FREE trial to check the study material for the New CCNA. You can check these options at the following links:
Finally I wish you all the best in your CCNA certification journey. You can do it!