by Margaret Frith, Who HQ, John O'Brien, Nancy Harrison
by Jess BRALLIER, Who HQ, Robert Andrew Parker, Who HQ
by Roberta Edwards, Who HQ, John O'Brien, John O'brien, Who HQ
by Deborah Hopkinson, Who HQ, Nancy Harrison
by Sue Guthridge, Wallace Wood
by Megan Stine, Who HQ, Ted Hammond
by Patricia Brennan Demuth, Who HQ, Ted Hammond, Who HQ
by Augusta Stevenson, Robert Doremus
by Megan Stine, Who HQ, Ted Hammond, Who HQ
by Quentin Reynolds
by Tracy Kidder, Michael French
by Joy Hakim
by Janet B. Pascal, Who HQ, Tim Foley, Who HQ
by Robert Sabuda, Robert Sabuda
by Nico Medina, Who HQ, Dede Putra, dePaola Tomie, Who HQ
by Sarah Fabiny, Who HQ, Dede Putra, Who HQ
by Dina Anastasio, Who HQ, Jim Eldridge, Who HQ
by Federal Aviation Administration, David Soucie
by Jacqueline Briggs Martin, Mary Azarian
by Buzz Aldrin, Wendell Minor
by Jane Goodall
by Jill Steans
by George Shea, Don Bolognese
by Catherine Thimmesh, Melissa Sweet
by Barbara Lehn, Carol Krauss
by Brad Meltzer, Christopher Eliopoulos
by Karen Blumenthal
by Gene Barretta, Gene Barretta
by Thomas Nelson
by William Kamkwamba, Bryan Mealer, Anna Hymas