Senior North Korean officials received copies of “Mein Kampf,” Adolf Hitler’s rambling prison memoir, as gifts for Kim Jong Un’s birthday this January, according to a report by New Focus International, a North Korean news organization that sources from defectors and volunteer citizens within the country.

The famous Nazi autobiography was reportedly distributed as what’s called a “hundred-copy book,” which refers to Pyongyang’s practice of circulating an extremely limited number of copies among top officials, though most books are forbidden in North Korea. Gifts marking the leader’s birthday are typically imbued with special political significance.

The book was apparently not distributed to endorse Nazism so much as to draw attention to Germany’s economic and military reconstruction after World War One. A North Korean who works on behalf of the country in China told New Focus that Kim gave a speech endorsing Germany’s inter-war revival and encouraging officials to read “Mein Kampf.”...