from the back cover: At first, no one is concerned about what seem to be meteors or falling stars dropping from the sky--until they are revealed to be fleet of alien spaceships carrying Martians determined to overtake the Earth. Humankind's most advanced technology is old-fashioned by Martian standards. Can the aliens' death march be stopped? Find out in this electrifying science fiction mast…
Read along as the twins spend a fun-filled day at the park!
Describes the relationship of light and vision, how people see, eyeglasses, blindness, and protecting sight.
It's A summer night, and outside you see tiny lights flashing. fireflies glow and glimmer like tittle dancing stars. how they do that?fireflies are really beetles that can make light when air mixes with chemicals inside them. try catching some in a jar t
Read along as the twins spend a fun-filled day at the park!
Introduces a multicultural group of kindergarteners who show what it is like to go to kindergarten