It had some strange and interesting facts. While Columbus was crossing the ocean, Portuguese scientists recalculated the calendar. They added two months. He had a real shock when he landed in Portugal to report to Queen Isabella. If you think so, do not go running to tell your History teacher just yet.
Internet is full of wonderful, interesting, and incorrect information.
I gave you wrong information to make a point. You cannot believe everything you read. Finding information is just part of your job. If you found the errors in the Columbus story or doubted its truth as you read, you may be well on your way to being a critical thinker. If you believed it simply because it appeared in this book, you may need to sharpen your critical thinking skills.