00582cam a2200193 4500 424381847 TxAuBib 20200429120000.0 200429s2008||||||||||||||||||||||||eng|u 9781596468726 1596468726 TxAuBib Coldwell, John. illustrated by Doffy Weir. Bertha's Secret Battle. Sea Girt, NJ : dingles & company, 2008. leveled reading series (Purple level.) 20200429. Twins.