While seeking their lost dog, Piddle, twins Josh and Danny encounter their next-door neighbor, Petty Potts, a mad scientist whose SWITCH spray accidentally turns them into spiders.

After accidentally drinking some of mad scientist Petty Pott's SWITCH potion while at school, twins Josh and Danny become grasshoppers and this time they may not change back without help.

Mad scientist Petty Potts asks her neighbors, twins Josh and Danny, to help with her experiments and when her SWITCH spray turns them into flies, they are able to investigate the sabotage of their mother's garden.

During an unwelcome visit, neighbor Tarquin unwittingly uses SWITCH spray to turn twins Josh and Danny into ants, then sets out with a magnifying glass to fry some bugs.

An ancient enemy rises...Milyi has found her place inside the spider city, but her heart mourns for the boy she could not save. She burns for vengeance, for a chance to win back what was taken from her. When the enemy rises over the jungle, Milyi must face more than their deadly stings, she must learn to let Saku go. The Wisps seek to turn her people, to spread their poison from village to village. The only ones who can stop them are those who defy...

Bug Team Alpha is under attack from its greatest enemy, the Draco. The team must engage in an all-out assault against the Draco and its serpent warriors to rescue the President of Earth from this attack. Each book includes a character list, mission report, discussion questions, writing prompts, and glossary.

In a future shaken by climate disasters, Yolanda Cicerón knows that nature is something to be feared. From the crops that don't grow to the terrifying creatures that roam the countryside, Yoly's life in the Valley is brutal and harsh. She dreams of leaving her farm to live in Silo--the most advanced town for miles around. But first, Yoly will need to prove she belongs in a place where only the smartest and most useful are welcomed. Between her razor-sharp...

It's a normal day for archaeologists on a faraway planet until they find a certain artifact. Soon members of the archaeological team start to change. They are mutating into ancient aliens of this planet. Bug Team Alpha is deployed to stop this infection. Each book includes a character list, mission report, discussion questions, writing prompts, and glossary.