Collectorz.com Book Collector is a Home & Hobby::Other software developed by Collectorz.com. After our trial and test, the software was found to be official, secure and free. Here is the official description for Collectorz.com Book Collector: Home Library / Book Database Software. Catalog your home libary. Automatic book data & cover art. Just enter ISBNs or scan barcodes. Browse, sort and search your book collection in List View or Images View. Check your book database with the CLZ Book mobile app or share it online. you can download Collectorz.com Book Collector 18.0.3 free now.