Perplexing puzzles, mind-boggling mazes and cracking codes feature in this story about a pair of guinea-pig detectives -- Coco Carlomagno, the easily startled Chief of Police, and his more sensible cousin, Alberta. Perfect for fans of the TREEHOUSE series. Coco is the well-respected, if somewhat easily startled, Chief of Police in Buenos Aires. Alberta is his more sensible cousin. Together they crack the cases that confound this puzzling city. Coco Carlomagno is trying to avert a national disaster. La Bella Cucharita, the highly strung world-famous opera singer, is due to make her return to the stage after an unfortunate nerve-wracking incident - but a strange message has her rattled. Who on earth would send La Bella Cucharita mysterious notes on the eve of such an eagerly awaited performance? Luckily Coco is on the case, and with a little help from his logic-loving cousin Alberta, he can discover just who is behind the quivering quavers.

Reviews for the series include: 'a silly, zany romp aided and abetted by Terry Denton's typically playful illustrations' - Sydney's Child 'an excellent transitional book for readers starting to make their way into the unfamiliar and perhaps slightly daunting world of chapter books Dubosarsky has a truly playful way with words, which is spot on for this age group. The puzzles by Terry Denton are a lot of fun' - Bookseller + Publisher 'a touch of the Geronimo Stiltons' - Adelaide Advertiser Perfect for: - Reluctant readers with illustrations on every page - Kids who love the Treehouse or CatKid books - Young readers who love puzzle books - Includes a glossary of Spanish words and clues to help solve the puzzles.