Un desafío para el verano

With the help of his sister, Liam secretly transforms himself into a girl when evening falls, but although he wants to present his female persona to the world, he fears the reaction of the rest of his family.

In the fifth book of the Mickey Rangel Mystery Series, Mickey is faced with a new mystery: why is the new, short kid so mean? Mickey Rangel, kid detective extraordinaire, is on the case!

Una nueva entrenadora ha llegado al Roller y sus métodos de enseñanza son mucho más duros que los de Tamara. Va a exigir a los chicos que den el 100% en la pista, pero no va a ser fácil, pues Luna tiene la cabeza en otro sitio. Está preocupada por la actitud de Matteo, quien le esconde un gran secreto y por descubrir la verdad sobre su origen y su familia.

Cabeza de águila tries to find a way to free his fellow musicians who have been captured by the jealous Tonatiuh Sol because they have only honored the Spirit of the Night, Tezcatlipoca.