The only thing hotter than the Texas sun is a sandcastle competition worth kidnapping for. The last thing Lizzie Brown wants to do on the 104-degree August day is participate in the Sandcastle Showdown.

But thanks to her overly competitive twin sister, they're challenging the four-time champ. When the eccentric inventor vanishes before defending his crown, everyone brushes it off - except the twins.

A cryptic phone call sparks the twin's suspicion of foul play, thrusting them into a search for their most formidable competitor. Amidst the searing temperatures and the shifting sands of suspicion, the twins enter a race against time to unearth the buried secrets.

Can Lizzie and her sister beat the relentless heat and uncover the truth behind the inventor's vanishing act before it's too late?----------------Sleuths, Sabotage, and Sandcastles is a stand-alone case in the Twin Bluebonnet Ranch Mysteries. If you love quirky small-town characters, best friend shenanigans, and a Dalmatian sidekick, this series is for you!Twin Bluebonnet Ranch MysteriesTeachers, Tricks, and Time CapsulesSilent Nights and ShopliftingAntiques, Alibis, and AuctionsRodeo, Ransom, and FireworksGhostwriters and GravediggersSecrets, Lies, and Poisonberry PiesFriday Night FrightsTurkey, Thievery, and TwinsSleuths, Sabotage, and SandcastlesBallots, Belles, and Blackmail.