I’m in the middle of listening to it on Librivox. It is fairly long. Each chapter takes about 30 minutes on audio, and there are 20 chapters. I’m enjoying it, but I think my kids (9, 7, and 5) would find it a bit tedious. There are long descriptions of things like how they hunted for water fowl or traveling down the Nile. There are also some descriptive battle scenes that I’m not sure my very sensitive 9yo DD will appreciate. Other chapters are more action packed, but I’m planning to wait for a few years before I introduce it to my kids, when they may be more interested in all the details