Weird Planet Series by Dan Greenburg, Macky Pamintuan

Klatu is such a varna! He crashed the spaceship into planet Earth with his brother Lek and sister Ploo onboard. Stuck in the middle of the Nevada desert with nowhere to run, Ploo is captured by army Earthlings who think that she is an enemy of humankind. Can Klatu and Lek to rescue Ploo from the terrifying Major Paine? Or will Ploo be held prisoner in Area 51 forever?From the Trade Paperback edition.

Klatu, Lek, and Ploo head back to Groom Lake to fix their busted spaceship. But the spaceship is gone--it's been taken to Area 51. There's nothing for the aliens to do other than sneak in and search for it. Instead they find something they weren't looking for--the Great Ones! The mythic missing Looglians Org, Murkel, Shemp, and Kurth crashed at Roswell New Mexico in 1947, and have been in the deep freeze ever since... moreKlatu, Lek, and Ploo head back to Groom Lake to fix their busted spaceship. But the spaceship is gone--it's been taken to Area 51. There's nothing for the aliens to do other than sneak in and search for it. Instead they find something they weren't looking for--the Great Ones! The mythic missing Looglians Org, Murkel, Shemp, and Kurth crashed at Roswell New Mexico in 1947, and have been in the deep freeze ever since. Can our three wacky alien kids rescue them?Dan Greenburg brings his trademark quirkiness and humor to the third book in his newest chapter book series.From the Trade Paperback edition. less

KLATU, LEK, AND PLOO just missed their ride home to planet Loogl. The army men from Area 51 scared their spaceship away. So where can they find a place to land a spaceship without causing havoc? Hollywood, of course, on the stage set of a film crew! But when they get there, the three kids are roped into being extras on a new sci-fi TV show. Have Lek, Klatu, and Ploo finally hit the big time? Break out the shades - they've gone from seeing stars . . moreKLATU, LEK, AND PLOO just missed their ride home to planet Loogl. The army men from Area 51 scared their spaceship away. So where can they find a place to land a spaceship without causing havoc? Hollywood, of course, on the stage set of a film crew! But when they get there, the three kids are roped into being extras on a new sci-fi TV show. Have Lek, Klatu, and Ploo finally hit the big time? Break out the shades - they've gone from seeing stars . . . to being stars! "From the Trade Paperback edition." less

Klatu, Lek, And Ploo finally have a day off from their job as extras on a hit sci-fi TV show. So what should they do around Los Angeles for a day? Go to Dizzyland, of course! The amusement park has everything, from roller-coasters to ferris wheels to funhouses. It even has a small zoo. But when Klatu, Lek, and Ploo look through the zoo, they are shocked to find a fuzzy baby alien, named Mu, all locked up. They have to set Mu free! "From the Trade Paperback edition."