Books in Magic Castle Series series

Little "a" gathers objects into his box which begin with the letter a, including apples, an alligator, ants, arrows, and an ax, and when they fall out an astronaut helps him put them back

A parade of characters and animals introduces beginning consonant sounds.

Little "o" finds things which begin with the letter o, including otters, an octopus, ostrich, and ox, but most of them won't fit in his box

A young boy discovers that with the three colors left in his paintbox he can concoct a diversity of hues

Andy visits the zoo and learns the numbers one to ten and a variety of action words.

Herbie and his dog look at many kinds of houses to find a style just right for a doghouse.

None

Finding an old book of magic, Herbie uses its spells to create colorful animals who become his friends

Herbie and his dog go on a camping trip to photograph insects but miss some bigger things along the way.

Max and Alice are playing outside when Alice finds a little pig and, after washing him, she kisses him and he turns into a little prince, but the queen wants to turn him back into a pig; there is a little yellow duck on every page.

None

Book by Moncure, Jane Belk, Gohman, Vera