Dave Dawson at Truk by R. Sidney Bowen

Part of a series of books written for teen readers, Dave Dawson at Truk is a novel set in WWII, written by a man who served as an aviator in WWI.  As Xist Classics notes in their about the author section:

R. Sidney Bowen was an author, journalist, fighter pilot and magazine editor born in Boston in 1900 and died in Hawaii at the age of 76. Best known for his various series of adventure books for boys during WWII, he seemingly based his main character in this series, Dave Dawson, after himself and his flying adventures during World War I.

Copies of Dave Dawson at Truk have been added to the current CheerUp.Fun Free eBook Library.  The first 100 people to sign up (new library as of Nov 1) should receive a free copy added to their Kindle Library.  To sign up, click this link, and follow the prompts at the Amazon page.  Once you have joined the CheerUp.Fun Free eBook Library, as recommended books are selected and shared during the month, they will be added to your Kindle Library.

You can change your settings / leave the Library at any time through your Amazon account.  You will find books under the Manage Content / Devices Option, on your Content Tab, and the settings tab has a section for "Change your Whispercast Membership".  Next to Organization Cheerup.Fun are options to change device or opt-out.