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Mac Undercover (Mac B., Kid Spy Series #1) by Mac Barnett

Prices as of September 28, 2026, as listed by each retailer — verify the current price on the retailer's site before purchase.

Price history tracked at Macy's price tracker

14-day low
$12.99
Sep 15 · Macy's
Best price
$12.99
−0% vs high
14-day high
$12.99
All stores

Today's best price is the lowest AskPrice has recorded · tracked since Nov 2024.

$13$13$13
Sep 15Sep 28
  • Macy's
Price has held at $12.99 for the past 14 days.

About this product

Mac Undercover by Mac Barnett is a fully illustrated chapter book that blends fiction, humor, and historical facts in a fast-paced spy adventure. The story follows Mac B., a young secret agent for the Queen of England, as he travels globally to recover stolen Crown Jewels. With witty dialogue, imaginative plots, and full-color illustrations, this book combines elements of James Bond with the relatable tone of Diary of a Wimpy Kid. Designed for readers aged 9 to 12, it features 160 pages, a hardcover format, and dimensions of 5.6" W x 8.3" H x 0.7" D.

  • Hardcover format
  • Full-color illustrations
  • Fiction, adventure
  • Published 2018

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Mac Undercover (Mac B., Kid Spy Series #1) — Price History