This is the first book in the Time Explorers collection, illustrated in full color and combining comic dialogues with adventure novels for children aged 9 to 12. These are interactive books. Each book allows us to enjoy a fascinating journey through time with Víctor, Cristina, Celoni, and Ibis. Readers will find some questions that allow them to discover historical curiosities about ancient civilizations. To do this, they will have to use the Time Clock, included in the book, to decipher the page number hidden behind a red background and thus be able to travel through time to discover incredible historical curiosities. The Time Explorers will visit ancient Rome to try to obtain a Roman eagle, the most protected emblem of the Roman legions! But they will encounter some unforeseen events... Will they be able to complete their first mission?