I just love to announce when there is a new, free ebook for my students. This book is on the history of flight and space exploration. It is by Buzz Aldrin, one of the first men to walk on the moon. It has wonderful illustrations and is suitable for Level 4 students:
It can be found on the We Give Books website that I have mentioned before. You do need to register to read the book, but they will not try to sell you anything. They will only notify you of more free ebooks. This is a non-profit agency whose mission is to get more people to read.
You can find the book here: