Apply and practice specific groups of phonics skills with White Marlin Readers in science and social studies based text. Practice reading words with vowel + r (ar, er, ir, or, ur) in Natural Disasters. Practice reading words with the sound of long a (ai, ay, eigh) in The Amazing Rainforest. Practice reading words with the sound of long u spelled ui, ue, ew, oo, and u-consonant-e words in Natural Resources. Practice reading words that have a long vowel sound spelled with the vowel-consonant-e pattern in Exploring the Solar System. Practice reading words with the special vowel teams of oi and oyin Digging into Soil. Practice reading words with the sound of long e spelled ee, ea, y, ie, ey, and e-consonant-e in Exploring the Properties of Matter.