The hidden kingdom children book cover 1The hidden kingdom children book cover 2The hidden kingdom children book cover 3The hidden kingdom children book cover 4Cover Prompt: “Children using a magical lens to reveal an invisible kingdom, with smoke-like magical effects uncovering hidden wonders.”The hidden kingdom children book cover 5The hidden kingdom children book cover 6The hidden kingdom children book cover 7The hidden kingdom children book cover 8Cover Prompt: “Children using a magical lens to reveal an invisible kingdom, with smoke-like magical effects uncovering hidden wonders.”The hidden kingdom children book cover 9The hidden kingdom children book cover 10The hidden kingdom children book cover 11The hidden kingdom children book cover 12