E. Richard Churchill is a contributor for Black Dog & Leventhal titles including: '365 Simple Science Experiments with Everyday Materials'
Frances Zweifel is a contributor for the following Black Dog & Leventhal Title: 365 More Simple Science Experiments with Everyday Materials
Muriel Mandell is a contributor for the following Black Dog & Leventhal Title: 365 More Simple Science Experiments with Everyday Materials
Louis V. Loeschnig is a contributor for the following Black Dog & Leventhal Title: 365 More Simple Science Experiments with Everyday Materials