The events that Scrubb alludes to in this section are detailed in
The Voyage of the Dawn Treader, the third Narnia book in publishing order. Indeed, there are several important characters from that novel, as well as other Narnia novels that appear in
The Silver Chair. Notably, Scrubb became a better person after his visit to Narnia, which demonstrates the value of the moral education one can receive in Narnia.