Shaka's Computer by Jill Morsbach (Used)

Shaka Robinson, his twin sister Katy and his friend Darry Mbana are trapped inside the magic computer called SAM. Will the guardian of the web, the monster tarantula Chandira, let them escape alive? Will she come out of the computer with her army of monster insects and take over the world? How can they stop her? What dreadful secret does she guard? Does the grotesque guardian know who murdered Professor Starlight, the inventor of SAM?

Condition: Worn