School of Secrets: Lonnie's Warrior Sword

School of Secrets: Lonnie's Warrior Sword is the fourth installment of the series Disney Descendants: School of Secrets (book series). It was released on August 15, 2017.

Synopsis
Lonnie is the daughter of Mulan.

She's strong, she's fearless, and she's willing to fight for what she wants. Like the very special sword that once belonged to her mother.

When Lonnie brings her friends Jay and Jordan on a forbidden trip to Imperial City to get it, she must prove she's a true warrior.

Product information

 * Age Range: 9 - 12 years
 * Grade Level: 3 - 7
 * Series: School of Secrets (Book 4)
 * Hardcover: 192 pages
 * Publisher: Disney Press (August 15, 2017)
 * Language: English
 * ISBN-10: 1484778677
 * ISBN-13: 978-1484778678
 * Product Dimensions: 5.9 x 0.9 x 8.3 inches
 * Shipping Weight: 1.7 pounds

Trivia

 * This takes place after Descendants 2 as Dizzy Tremaine and Uma's Pirate Crew are mentioned.
 * This only printed material in which one of the main four VKs are absent. In this case, Carlos does not appear but is mentioned.
 * Yao has a daughter named Yi-min, who appears in the book.