Book 5 of the Warrior Kid world is Marc， the boy growing in to a young man through the series， showing the reader further life lessons by way of letters， yes， actual letters one writes and mails， from his uncle Jake。 These letters are the life experiences of Uncle Jake as he grew up much like at the same timeframe as Marc。 Showing generational experiences， another great way for kids to generate their own foundation of principles by seeing how the adults in their world generated their own is sore Book 5 of the Warrior Kid world is Marc， the boy growing in to a young man through the series， showing the reader further life lessons by way of letters， yes， actual letters one writes and mails， from his uncle Jake。 These letters are the life experiences of Uncle Jake as he grew up much like at the same timeframe as Marc。 Showing generational experiences， another great way for kids to generate their own foundation of principles by seeing how the adults in their world generated their own is sorely lacking in much of modern society; the author also points out prominently， another issue which kids need to see， which is the path of bad behavior。 Drugs， drinking， smoking， and getting in to legal trouble are also shown as not only a contrast to being on a good path in life， but just how much it cost one to engage in， and the end of a bad path as well。Props to illustrator Bozak for taking on not only giving us a growing Marc to depict， but in book 5， had to show Uncle Jake as a young man。。。quite a bit of work for the artist。 For those who have been here for Willink's Warrior Kids books， this is the first one which comes as a paperback， so just be aware of that。 。。。more