Best selling telescopes
I have three separate lists that all come from the official amazon number and this list is updated hourly by amazon.
Making your own observatory
Books Setting-Up a Small Observatory: From Concept to Construction (Patrick Moore’s Practical Astronomy Series) This is the book to tell the intermediate-level amateur astronomer what he needs to know about observatories. It draws on the authors practical experience and that of many other experienced amateur astronomers. It is an ideal complement to Patrick Moores More Small…